CVE-2024-20321
Vulnerability from cvelistv5
Published
2024-02-28 16:14
Modified
2024-08-16 20:12
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.
References
ykramarz@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJVendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en la implementaci\\u00f3n del protocolo de puerta de enlace de frontera externa (eBGP) del software Cisco NX-OS podr\\u00eda permitir que un atacante remoto no autenticado cause una condici\\u00f3n de denegaci\\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad existe porque el tr\\u00e1fico eBGP est\\u00e1 asignado a una cola limitadora de velocidad de hardware compartida. Un atacante podr\\u00eda aprovechar esta vulnerabilidad enviando grandes cantidades de tr\\u00e1fico de red con determinadas caracter\\u00edsticas a trav\\u00e9s de un dispositivo afectado. Un exploit exitoso podr\\u00eda permitir al atacante provocar la ca\\u00edda de las sesiones vecinas de eBGP, lo que provocar\\u00eda una condici\\u00f3n DoS en la red.\"}]",
      "id": "CVE-2024-20321",
      "lastModified": "2024-11-21T08:52:22.093",
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      "published": "2024-02-29T01:43:59.410",
      "references": "[{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
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    },
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\"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-16T20:12:03.459Z\"}}], \"cna\": {\"source\": {\"defects\": [\"CSCwh09703\", \"CSCwh96478\"], \"advisory\": \"cisco-sa-nxos-ebgp-dos-L3QCwVJ\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco NX-OS Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.0(3)F1(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F2(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F2(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3c)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(5)\"}, {\"status\": \"affected\", \"version\": \"9.2(1)\"}, {\"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\": \"9.3(1)\"}, {\"status\": \"affected\", \"version\": \"9.3(2)\"}, {\"status\": \"affected\", \"version\": \"9.3(3)\"}, {\"status\": \"affected\", \"version\": \"9.3(4)\"}, {\"status\": \"affected\", \"version\": \"9.3(5)\"}, {\"status\": \"affected\", \"version\": \"9.3(6)\"}, {\"status\": \"affected\", \"version\": \"9.3(7)\"}, {\"status\": \"affected\", \"version\": \"9.3(7a)\"}, {\"status\": \"affected\", \"version\": \"9.3(8)\"}, {\"status\": \"affected\", \"version\": \"9.3(9)\"}, {\"status\": \"affected\", \"version\": \"9.3(10)\"}, {\"status\": \"affected\", \"version\": \"9.3(11)\"}, {\"status\": \"affected\", \"version\": \"9.3(12)\"}, {\"status\": \"affected\", \"version\": \"10.1(1)\"}, {\"status\": \"affected\", \"version\": \"10.1(2)\"}, {\"status\": \"affected\", \"version\": \"10.1(2t)\"}, {\"status\": \"affected\", \"version\": \"10.2(1)\"}, {\"status\": \"affected\", \"version\": \"10.2(1q)\"}, {\"status\": \"affected\", \"version\": \"10.2(2)\"}, {\"status\": \"affected\", \"version\": \"10.2(3)\"}, {\"status\": \"affected\", \"version\": \"10.2(3t)\"}, {\"status\": \"affected\", \"version\": \"10.2(4)\"}, {\"status\": \"affected\", \"version\": \"10.2(5)\"}, {\"status\": \"affected\", \"version\": \"10.2(3v)\"}, {\"status\": \"affected\", \"version\": \"10.2(6)\"}, {\"status\": \"affected\", \"version\": \"10.3(1)\"}, {\"status\": \"affected\", \"version\": \"10.3(2)\"}, {\"status\": \"affected\", \"version\": \"10.3(3)\"}, {\"status\": \"affected\", \"version\": \"10.3(99w)\"}, {\"status\": \"affected\", \"version\": \"10.3(99x)\"}, {\"status\": \"affected\", \"version\": \"10.3(4a)\"}, {\"status\": \"affected\", \"version\": \"10.4(1)\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ\", \"name\": \"cisco-sa-nxos-ebgp-dos-L3QCwVJ\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-400\", \"description\": \"Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2024-02-28T16:14:28.992Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-20321\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-16T20:12:16.247Z\", \"dateReserved\": \"2023-11-08T15:08:07.640Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2024-02-28T16:14:28.992Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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