github - ghsa-9ph8-cf44-5v83

GHSA-9PH8-CF44-5V83

Vulnerability from github – Published: 2022-05-24 19:16 – Updated: 2022-05-24 19:16

Details

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database corruption on the affected device For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Cisco has released firmware updates that address these vulnerabilities.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-34776"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-06T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database corruption on the affected device For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Cisco has released firmware updates that address these vulnerabilities.",
  "id": "GHSA-9ph8-cf44-5v83",
  "modified": "2022-05-24T19:16:39Z",
  "published": "2022-05-24T19:16:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34776"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-34776 (GCVE-0-2021-34776)

Vulnerability from cvelistv5 – Published: 2021-10-06 19:45 – Updated: 2024-11-07 21:49

Summary

Severity ?

4.3 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-120

Assigner

cisco

References

URL

Tags

https://tools.cisco.com/security/center/content/C…

vendor-advisoryx_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco Small Business 200 Series Smart Switches	Affected: n/a

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JSON

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          "dateUpdated": "2024-08-04T00:19:48.215Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20211006 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2021-34776",
                "options": [
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                  },
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                  },
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                  }
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                "timestamp": "2024-11-07T21:40:16.739201Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
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          "vendor": "Cisco",
          "versions": [
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        }
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          ]
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      },
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        },
        "affects": {
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9PH8-CF44-5V83

CVE-2021-34776 (GCVE-0-2021-34776)

Tags

Sightings

Nomenclature