CVE-2024-20294
Vulnerability from cvelistv5
Published
2024-02-28 16:16
Modified
2024-08-01 21:59
Summary
A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of specific fields in an LLDP frame. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface of an affected device and having an authenticated user retrieve LLDP statistics from the affected device through CLI show commands or Simple Network Management Protocol (SNMP) requests. A successful exploit could allow the attacker to cause the LLDP service to crash and stop running on the affected device. In certain situations, the LLDP crash may result in a reload of the affected device. Note: LLDP is a Layer 2 link protocol. To exploit this vulnerability, an attacker would need to be directly connected to an interface of an affected device, either physically or logically (for example, through a Layer 2 Tunnel configured to transport the LLDP protocol).
Show details on NVD website


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            {
              "status": "affected",
              "version": "8.2(5)"
            },
            {
              "status": "affected",
              "version": "8.2(6)"
            },
            {
              "status": "affected",
              "version": "8.2(7)"
            },
            {
              "status": "affected",
              "version": "8.2(7a)"
            },
            {
              "status": "affected",
              "version": "8.2(8)"
            },
            {
              "status": "affected",
              "version": "8.2(9)"
            },
            {
              "status": "affected",
              "version": "8.2(10)"
            },
            {
              "status": "affected",
              "version": "8.3(1)"
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            {
              "status": "affected",
              "version": "8.3(2)"
            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "9.2(2)"
            },
            {
              "status": "affected",
              "version": "9.2(2t)"
            },
            {
              "status": "affected",
              "version": "9.2(3)"
            },
            {
              "status": "affected",
              "version": "9.2(4)"
            },
            {
              "status": "affected",
              "version": "9.2(2v)"
            },
            {
              "status": "affected",
              "version": "9.2(1a)"
            },
            {
              "status": "affected",
              "version": "7.3(4)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(3)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(4)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(5)N1(1)"
            },
            {
              "status": "affected",
              "version": "8.4(1)"
            },
            {
              "status": "affected",
              "version": "8.4(1a)"
            },
            {
              "status": "affected",
              "version": "8.4(2)"
            },
            {
              "status": "affected",
              "version": "8.4(2a)"
            },
            {
              "status": "affected",
              "version": "8.4(3)"
            },
            {
              "status": "affected",
              "version": "8.4(2b)"
            },
            {
              "status": "affected",
              "version": "8.4(4)"
            },
            {
              "status": "affected",
              "version": "8.4(2c)"
            },
            {
              "status": "affected",
              "version": "8.4(4a)"
            },
            {
              "status": "affected",
              "version": "8.4(5)"
            },
            {
              "status": "affected",
              "version": "8.4(2d)"
            },
            {
              "status": "affected",
              "version": "8.4(6)"
            },
            {
              "status": "affected",
              "version": "8.4(2e)"
            },
            {
              "status": "affected",
              "version": "8.4(6a)"
            },
            {
              "status": "affected",
              "version": "8.4(7)"
            },
            {
              "status": "affected",
              "version": "8.4(2f)"
            },
            {
              "status": "affected",
              "version": "9.3(1)"
            },
            {
              "status": "affected",
              "version": "9.3(2)"
            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "9.3(5)"
            },
            {
              "status": "affected",
              "version": "9.3(6)"
            },
            {
              "status": "affected",
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            {
              "status": "affected",
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            },
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              "status": "affected",
              "version": "9.3(8)"
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            {
              "status": "affected",
              "version": "9.3(9)"
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            {
              "status": "affected",
              "version": "9.3(10)"
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            {
              "status": "affected",
              "version": "9.3(11)"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "7.3(6)D1(1)"
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              "status": "affected",
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            },
            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            },
            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "10.2(1)"
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              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "10.2(2)"
            },
            {
              "status": "affected",
              "version": "10.2(3)"
            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "10.2(4)"
            },
            {
              "status": "affected",
              "version": "10.2(5)"
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            },
            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            },
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            },
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            },
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              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "3.2(2c)"
            },
            {
              "status": "affected",
              "version": "3.2(2d)"
            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            },
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              "status": "affected",
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            },
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            },
            {
              "status": "affected",
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              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            },
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            {
              "status": "affected",
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            {
              "status": "affected",
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            },
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              "status": "affected",
              "version": "4.2(2c)"
            },
            {
              "status": "affected",
              "version": "4.2(1n)"
            },
            {
              "status": "affected",
              "version": "4.2(2d)"
            },
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              "status": "affected",
              "version": "4.2(3b)"
            },
            {
              "status": "affected",
              "version": "4.2(2e)"
            },
            {
              "status": "affected",
              "version": "4.2(3d)"
            },
            {
              "status": "affected",
              "version": "4.2(3e)"
            },
            {
              "status": "affected",
              "version": "4.2(3g)"
            },
            {
              "status": "affected",
              "version": "4.2(3h)"
            },
            {
              "status": "affected",
              "version": "4.2(3i)"
            }
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        {
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          "vendor": "Cisco",
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              "status": "affected",
              "version": "2.2.1.63"
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            {
              "status": "affected",
              "version": "2.2.1.66"
            },
            {
              "status": "affected",
              "version": "2.2.1.70"
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            {
              "status": "affected",
              "version": "2.2.2.17"
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            {
              "status": "affected",
              "version": "2.2.2.19"
            },
            {
              "status": "affected",
              "version": "2.2.2.24"
            },
            {
              "status": "affected",
              "version": "2.2.2.26"
            },
            {
              "status": "affected",
              "version": "2.2.2.28"
            },
            {
              "status": "affected",
              "version": "2.2.2.54"
            },
            {
              "status": "affected",
              "version": "2.2.2.60"
            },
            {
              "status": "affected",
              "version": "2.2.2.71"
            },
            {
              "status": "affected",
              "version": "2.2.2.83"
            },
            {
              "status": "affected",
              "version": "2.2.2.86"
            },
            {
              "status": "affected",
              "version": "2.2.2.91"
            },
            {
              "status": "affected",
              "version": "2.2.2.97"
            },
            {
              "status": "affected",
              "version": "2.2.2.101"
            },
            {
              "status": "affected",
              "version": "2.2.2.137"
            },
            {
              "status": "affected",
              "version": "2.2.2.148"
            },
            {
              "status": "affected",
              "version": "2.2.2.149"
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            {
              "status": "affected",
              "version": "2.3.1.99"
            },
            {
              "status": "affected",
              "version": "2.3.1.93"
            },
            {
              "status": "affected",
              "version": "2.3.1.91"
            },
            {
              "status": "affected",
              "version": "2.3.1.88"
            },
            {
              "status": "affected",
              "version": "2.3.1.75"
            },
            {
              "status": "affected",
              "version": "2.3.1.73"
            },
            {
              "status": "affected",
              "version": "2.3.1.66"
            },
            {
              "status": "affected",
              "version": "2.3.1.58"
            },
            {
              "status": "affected",
              "version": "2.3.1.130"
            },
            {
              "status": "affected",
              "version": "2.3.1.111"
            },
            {
              "status": "affected",
              "version": "2.3.1.110"
            },
            {
              "status": "affected",
              "version": "2.3.1.144"
            },
            {
              "status": "affected",
              "version": "2.3.1.145"
            },
            {
              "status": "affected",
              "version": "2.3.1.155"
            },
            {
              "status": "affected",
              "version": "2.3.1.166"
            },
            {
              "status": "affected",
              "version": "2.3.1.173"
            },
            {
              "status": "affected",
              "version": "2.3.1.179"
            },
            {
              "status": "affected",
              "version": "2.3.1.180"
            },
            {
              "status": "affected",
              "version": "2.3.1.56"
            },
            {
              "status": "affected",
              "version": "2.3.1.190"
            },
            {
              "status": "affected",
              "version": "2.3.1.215"
            },
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              "status": "affected",
              "version": "2.3.1.216"
            },
            {
              "status": "affected",
              "version": "2.3.1.219"
            },
            {
              "status": "affected",
              "version": "2.3.1.230"
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            {
              "status": "affected",
              "version": "2.6.1.131"
            },
            {
              "status": "affected",
              "version": "2.6.1.157"
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            {
              "status": "affected",
              "version": "2.6.1.166"
            },
            {
              "status": "affected",
              "version": "2.6.1.169"
            },
            {
              "status": "affected",
              "version": "2.6.1.174"
            },
            {
              "status": "affected",
              "version": "2.6.1.187"
            },
            {
              "status": "affected",
              "version": "2.6.1.192"
            },
            {
              "status": "affected",
              "version": "2.6.1.204"
            },
            {
              "status": "affected",
              "version": "2.6.1.214"
            },
            {
              "status": "affected",
              "version": "2.6.1.224"
            },
            {
              "status": "affected",
              "version": "2.6.1.229"
            },
            {
              "status": "affected",
              "version": "2.6.1.230"
            },
            {
              "status": "affected",
              "version": "2.6.1.238"
            },
            {
              "status": "affected",
              "version": "2.6.1.239"
            },
            {
              "status": "affected",
              "version": "2.6.1.254"
            },
            {
              "status": "affected",
              "version": "2.6.1.259"
            },
            {
              "status": "affected",
              "version": "2.6.1.264"
            },
            {
              "status": "affected",
              "version": "2.6.1.265"
            },
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              "status": "affected",
              "version": "2.8.1.105"
            },
            {
              "status": "affected",
              "version": "2.8.1.125"
            },
            {
              "status": "affected",
              "version": "2.8.1.139"
            },
            {
              "status": "affected",
              "version": "2.8.1.143"
            },
            {
              "status": "affected",
              "version": "2.8.1.152"
            },
            {
              "status": "affected",
              "version": "2.8.1.162"
            },
            {
              "status": "affected",
              "version": "2.8.1.164"
            },
            {
              "status": "affected",
              "version": "2.8.1.172"
            },
            {
              "status": "affected",
              "version": "2.8.1.186"
            },
            {
              "status": "affected",
              "version": "2.8.1.190"
            },
            {
              "status": "affected",
              "version": "2.8.1.198"
            },
            {
              "status": "affected",
              "version": "2.9.1.131"
            },
            {
              "status": "affected",
              "version": "2.9.1.135"
            },
            {
              "status": "affected",
              "version": "2.9.1.143"
            },
            {
              "status": "affected",
              "version": "2.9.1.150"
            },
            {
              "status": "affected",
              "version": "2.9.1.158"
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            {
              "status": "affected",
              "version": "2.10.1.159"
            },
            {
              "status": "affected",
              "version": "2.10.1.166"
            },
            {
              "status": "affected",
              "version": "2.10.1.179"
            },
            {
              "status": "affected",
              "version": "2.10.1.207"
            },
            {
              "status": "affected",
              "version": "2.10.1.234"
            },
            {
              "status": "affected",
              "version": "2.10.1.245"
            },
            {
              "status": "affected",
              "version": "2.10.1.271"
            },
            {
              "status": "affected",
              "version": "2.11.1.154"
            },
            {
              "status": "affected",
              "version": "2.11.1.182"
            },
            {
              "status": "affected",
              "version": "2.11.1.200"
            },
            {
              "status": "affected",
              "version": "2.11.1.205"
            },
            {
              "status": "affected",
              "version": "2.12.0.31"
            },
            {
              "status": "affected",
              "version": "2.12.0.432"
            },
            {
              "status": "affected",
              "version": "2.12.0.450"
            },
            {
              "status": "affected",
              "version": "2.12.0.467"
            },
            {
              "status": "affected",
              "version": "2.12.0.498"
            },
            {
              "status": "affected",
              "version": "2.12.1.29"
            },
            {
              "status": "affected",
              "version": "2.12.1.48"
            },
            {
              "status": "affected",
              "version": "2.13.0.198"
            },
            {
              "status": "affected",
              "version": "2.13.0.212"
            },
            {
              "status": "affected",
              "version": "2.13.0.243"
            },
            {
              "status": "affected",
              "version": "2.14.1.131"
            }
          ]
        },
        {
          "product": "Cisco NX-OS System Software in ACI Mode",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "12.0(1m)"
            },
            {
              "status": "affected",
              "version": "12.0(2g)"
            },
            {
              "status": "affected",
              "version": "12.0(1n)"
            },
            {
              "status": "affected",
              "version": "12.0(1o)"
            },
            {
              "status": "affected",
              "version": "12.0(1p)"
            },
            {
              "status": "affected",
              "version": "12.0(1q)"
            },
            {
              "status": "affected",
              "version": "12.0(2h)"
            },
            {
              "status": "affected",
              "version": "12.0(2l)"
            },
            {
              "status": "affected",
              "version": "12.0(2m)"
            },
            {
              "status": "affected",
              "version": "12.0(2n)"
            },
            {
              "status": "affected",
              "version": "12.0(2o)"
            },
            {
              "status": "affected",
              "version": "12.0(2f)"
            },
            {
              "status": "affected",
              "version": "12.0(1r)"
            },
            {
              "status": "affected",
              "version": "12.1(1h)"
            },
            {
              "status": "affected",
              "version": "12.1(2e)"
            },
            {
              "status": "affected",
              "version": "12.1(3g)"
            },
            {
              "status": "affected",
              "version": "12.1(4a)"
            },
            {
              "status": "affected",
              "version": "12.1(1i)"
            },
            {
              "status": "affected",
              "version": "12.1(2g)"
            },
            {
              "status": "affected",
              "version": "12.1(2k)"
            },
            {
              "status": "affected",
              "version": "12.1(3h)"
            },
            {
              "status": "affected",
              "version": "12.1(3j)"
            },
            {
              "status": "affected",
              "version": "12.2(1n)"
            },
            {
              "status": "affected",
              "version": "12.2(2e)"
            },
            {
              "status": "affected",
              "version": "12.2(3j)"
            },
            {
              "status": "affected",
              "version": "12.2(4f)"
            },
            {
              "status": "affected",
              "version": "12.2(4p)"
            },
            {
              "status": "affected",
              "version": "12.2(3p)"
            },
            {
              "status": "affected",
              "version": "12.2(3r)"
            },
            {
              "status": "affected",
              "version": "12.2(3s)"
            },
            {
              "status": "affected",
              "version": "12.2(3t)"
            },
            {
              "status": "affected",
              "version": "12.2(2f)"
            },
            {
              "status": "affected",
              "version": "12.2(2i)"
            },
            {
              "status": "affected",
              "version": "12.2(2j)"
            },
            {
              "status": "affected",
              "version": "12.2(2k)"
            },
            {
              "status": "affected",
              "version": "12.2(2q)"
            },
            {
              "status": "affected",
              "version": "12.2(1o)"
            },
            {
              "status": "affected",
              "version": "12.2(4q)"
            },
            {
              "status": "affected",
              "version": "12.2(4r)"
            },
            {
              "status": "affected",
              "version": "12.3(1e)"
            },
            {
              "status": "affected",
              "version": "12.3(1f)"
            },
            {
              "status": "affected",
              "version": "12.3(1i)"
            },
            {
              "status": "affected",
              "version": "12.3(1l)"
            },
            {
              "status": "affected",
              "version": "12.3(1o)"
            },
            {
              "status": "affected",
              "version": "12.3(1p)"
            },
            {
              "status": "affected",
              "version": "13.0(1k)"
            },
            {
              "status": "affected",
              "version": "13.0(2h)"
            },
            {
              "status": "affected",
              "version": "13.0(2k)"
            },
            {
              "status": "affected",
              "version": "13.0(2n)"
            },
            {
              "status": "affected",
              "version": "13.1(1i)"
            },
            {
              "status": "affected",
              "version": "13.1(2m)"
            },
            {
              "status": "affected",
              "version": "13.1(2o)"
            },
            {
              "status": "affected",
              "version": "13.1(2p)"
            },
            {
              "status": "affected",
              "version": "13.1(2q)"
            },
            {
              "status": "affected",
              "version": "13.1(2s)"
            },
            {
              "status": "affected",
              "version": "13.1(2t)"
            },
            {
              "status": "affected",
              "version": "13.1(2u)"
            },
            {
              "status": "affected",
              "version": "13.1(2v)"
            },
            {
              "status": "affected",
              "version": "13.2(1l)"
            },
            {
              "status": "affected",
              "version": "13.2(1m)"
            },
            {
              "status": "affected",
              "version": "13.2(2l)"
            },
            {
              "status": "affected",
              "version": "13.2(2o)"
            },
            {
              "status": "affected",
              "version": "13.2(3i)"
            },
            {
              "status": "affected",
              "version": "13.2(3n)"
            },
            {
              "status": "affected",
              "version": "13.2(3o)"
            },
            {
              "status": "affected",
              "version": "13.2(3r)"
            },
            {
              "status": "affected",
              "version": "13.2(4d)"
            },
            {
              "status": "affected",
              "version": "13.2(4e)"
            },
            {
              "status": "affected",
              "version": "13.2(3s)"
            },
            {
              "status": "affected",
              "version": "13.2(5d)"
            },
            {
              "status": "affected",
              "version": "13.2(5e)"
            },
            {
              "status": "affected",
              "version": "13.2(5f)"
            },
            {
              "status": "affected",
              "version": "13.2(6i)"
            },
            {
              "status": "affected",
              "version": "13.2(7f)"
            },
            {
              "status": "affected",
              "version": "13.2(7k)"
            },
            {
              "status": "affected",
              "version": "13.2(9b)"
            },
            {
              "status": "affected",
              "version": "13.2(9f)"
            },
            {
              "status": "affected",
              "version": "13.2(9h)"
            },
            {
              "status": "affected",
              "version": "13.2(10e)"
            },
            {
              "status": "affected",
              "version": "13.2(10f)"
            },
            {
              "status": "affected",
              "version": "13.2(10g)"
            },
            {
              "status": "affected",
              "version": "14.0(1h)"
            },
            {
              "status": "affected",
              "version": "14.0(2c)"
            },
            {
              "status": "affected",
              "version": "14.0(3d)"
            },
            {
              "status": "affected",
              "version": "14.0(3c)"
            },
            {
              "status": "affected",
              "version": "14.1(1i)"
            },
            {
              "status": "affected",
              "version": "14.1(1j)"
            },
            {
              "status": "affected",
              "version": "14.1(1k)"
            },
            {
              "status": "affected",
              "version": "14.1(1l)"
            },
            {
              "status": "affected",
              "version": "14.1(2g)"
            },
            {
              "status": "affected",
              "version": "14.1(2m)"
            },
            {
              "status": "affected",
              "version": "14.1(2o)"
            },
            {
              "status": "affected",
              "version": "14.1(2s)"
            },
            {
              "status": "affected",
              "version": "14.1(2u)"
            },
            {
              "status": "affected",
              "version": "14.1(2w)"
            },
            {
              "status": "affected",
              "version": "14.1(2x)"
            },
            {
              "status": "affected",
              "version": "14.2(1i)"
            },
            {
              "status": "affected",
              "version": "14.2(1j)"
            },
            {
              "status": "affected",
              "version": "14.2(1l)"
            },
            {
              "status": "affected",
              "version": "14.2(2e)"
            },
            {
              "status": "affected",
              "version": "14.2(2f)"
            },
            {
              "status": "affected",
              "version": "14.2(2g)"
            },
            {
              "status": "affected",
              "version": "14.2(3j)"
            },
            {
              "status": "affected",
              "version": "14.2(3l)"
            },
            {
              "status": "affected",
              "version": "14.2(3n)"
            },
            {
              "status": "affected",
              "version": "14.2(3q)"
            },
            {
              "status": "affected",
              "version": "14.2(4i)"
            },
            {
              "status": "affected",
              "version": "14.2(4k)"
            },
            {
              "status": "affected",
              "version": "14.2(4o)"
            },
            {
              "status": "affected",
              "version": "14.2(4p)"
            },
            {
              "status": "affected",
              "version": "14.2(5k)"
            },
            {
              "status": "affected",
              "version": "14.2(5l)"
            },
            {
              "status": "affected",
              "version": "14.2(5n)"
            },
            {
              "status": "affected",
              "version": "14.2(6d)"
            },
            {
              "status": "affected",
              "version": "14.2(6g)"
            },
            {
              "status": "affected",
              "version": "14.2(6h)"
            },
            {
              "status": "affected",
              "version": "14.2(6l)"
            },
            {
              "status": "affected",
              "version": "14.2(7f)"
            },
            {
              "status": "affected",
              "version": "14.2(7l)"
            },
            {
              "status": "affected",
              "version": "14.2(6o)"
            },
            {
              "status": "affected",
              "version": "14.2(7q)"
            },
            {
              "status": "affected",
              "version": "14.2(7r)"
            },
            {
              "status": "affected",
              "version": "14.2(7s)"
            },
            {
              "status": "affected",
              "version": "14.2(7t)"
            },
            {
              "status": "affected",
              "version": "14.2(7u)"
            },
            {
              "status": "affected",
              "version": "14.2(7v)"
            },
            {
              "status": "affected",
              "version": "14.2(7w)"
            },
            {
              "status": "affected",
              "version": "15.0(1k)"
            },
            {
              "status": "affected",
              "version": "15.0(1l)"
            },
            {
              "status": "affected",
              "version": "15.0(2e)"
            },
            {
              "status": "affected",
              "version": "15.0(2h)"
            },
            {
              "status": "affected",
              "version": "15.1(1h)"
            },
            {
              "status": "affected",
              "version": "15.1(2e)"
            },
            {
              "status": "affected",
              "version": "15.1(3e)"
            },
            {
              "status": "affected",
              "version": "15.1(4c)"
            },
            {
              "status": "affected",
              "version": "15.2(1g)"
            },
            {
              "status": "affected",
              "version": "15.2(2e)"
            },
            {
              "status": "affected",
              "version": "15.2(2f)"
            },
            {
              "status": "affected",
              "version": "15.2(2g)"
            },
            {
              "status": "affected",
              "version": "15.2(2h)"
            },
            {
              "status": "affected",
              "version": "15.2(3e)"
            },
            {
              "status": "affected",
              "version": "15.2(3f)"
            },
            {
              "status": "affected",
              "version": "15.2(3g)"
            },
            {
              "status": "affected",
              "version": "15.2(4d)"
            },
            {
              "status": "affected",
              "version": "15.2(4e)"
            },
            {
              "status": "affected",
              "version": "15.2(5c)"
            },
            {
              "status": "affected",
              "version": "15.2(5d)"
            },
            {
              "status": "affected",
              "version": "15.2(5e)"
            },
            {
              "status": "affected",
              "version": "15.2(4f)"
            },
            {
              "status": "affected",
              "version": "15.2(6e)"
            },
            {
              "status": "affected",
              "version": "15.2(6g)"
            },
            {
              "status": "affected",
              "version": "15.2(7f)"
            },
            {
              "status": "affected",
              "version": "15.2(7g)"
            },
            {
              "status": "affected",
              "version": "15.2(8d)"
            },
            {
              "status": "affected",
              "version": "15.2(8e)"
            },
            {
              "status": "affected",
              "version": "15.2(8f)"
            },
            {
              "status": "affected",
              "version": "15.2(8g)"
            },
            {
              "status": "affected",
              "version": "16.0(1g)"
            },
            {
              "status": "affected",
              "version": "16.0(1j)"
            },
            {
              "status": "affected",
              "version": "16.0(2h)"
            },
            {
              "status": "affected",
              "version": "16.0(2j)"
            },
            {
              "status": "affected",
              "version": "16.0(3d)"
            },
            {
              "status": "affected",
              "version": "16.0(3e)"
            },
            {
              "status": "affected",
              "version": "15.3(1d)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper handling of specific fields in an LLDP frame. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface of an affected device and having an authenticated user retrieve LLDP statistics from the affected device through CLI show commands or Simple Network Management Protocol (SNMP) requests. A successful exploit could allow the attacker to cause the LLDP service to crash and stop running on the affected device. In certain situations, the LLDP crash may result in a reload of the affected device.\r\n\r Note: LLDP is a Layer 2 link protocol. To exploit this vulnerability, an attacker would need to be directly connected to an interface of an affected device, either physically or logically (for example, through a Layer 2 Tunnel configured to transport the LLDP protocol)."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-805",
              "description": "Buffer Access with Incorrect Length Value",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-28T16:16:56.717Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-nxos-lldp-dos-z7PncTgt",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-lldp-dos-z7PncTgt"
        }
      ],
      "source": {
        "advisory": "cisco-sa-nxos-lldp-dos-z7PncTgt",
        "defects": [
          "CSCwf67412",
          "CSCwf67468",
          "CSCwi31871",
          "CSCwe86457",
          "CSCwf67408",
          "CSCwf67409",
          "CSCwf67411",
          "CSCwi29934"
        ],
        "discovery": "INTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2024-20294",
    "datePublished": "2024-02-28T16:16:56.717Z",
    "dateReserved": "2023-11-08T15:08:07.629Z",
    "dateUpdated": "2024-08-01T21:59:41.160Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-20294\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2024-02-29T01:43:59.207\",\"lastModified\":\"2024-02-29T13:49:29.390\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability is due to improper handling of specific fields in an LLDP frame. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface of an affected device and having an authenticated user retrieve LLDP statistics from the affected device through CLI show commands or Simple Network Management Protocol (SNMP) requests. A successful exploit could allow the attacker to cause the LLDP service to crash and stop running on the affected device. In certain situations, the LLDP crash may result in a reload of the affected device.\\r\\n\\r Note: LLDP is a Layer 2 link protocol. To exploit this vulnerability, an attacker would need to be directly connected to an interface of an affected device, either physically or logically (for example, through a Layer 2 Tunnel configured to transport the LLDP protocol).\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la funci\u00f3n Link Layer Discovery Protocol (LLDP) del software Cisco FXOS y el software Cisco NX-OS podr\u00eda permitir que un atacante adyacente no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe al manejo inadecuado de campos espec\u00edficos en un framework LLDP. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un paquete LLDP manipulado a una interfaz de un dispositivo afectado y haciendo que un usuario autenticado recupere estad\u00edsticas LLDP del dispositivo afectado a trav\u00e9s de comandos show CLI o solicitudes del Protocolo simple de administraci\u00f3n de red (SNMP). Un exploit exitoso podr\u00eda permitir al atacante provocar que el servicio LLDP falle y deje de ejecutarse en el dispositivo afectado. En determinadas situaciones, el fallo de LLDP puede provocar una recarga del dispositivo afectado. Nota: LLDP es un protocolo de enlace de Capa 2. Para aprovechar esta vulnerabilidad, un atacante necesitar\u00eda estar conectado directamente a una interfaz de un dispositivo afectado, ya sea f\u00edsica o l\u00f3gicamente (por ejemplo, a trav\u00e9s de un t\u00fanel de capa 2 configurado para transportar el protocolo LLDP).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.1,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-805\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-lldp-dos-z7PncTgt\",\"source\":\"ykramarz@cisco.com\"}]}}"
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.