GSD-2021-28506

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
Aliases
Aliases
CVE-2021-28506
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{
  "GSD": {
    "alias": "CVE-2021-28506",
    "description": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.",
    "id": "GSD-2021-28506"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28506"
      ],
      "details": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.",
      "id": "GSD-2021-28506",
      "modified": "2023-12-13T01:23:29.088031Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@arista.com",
        "DATE_PUBLIC": "2022-01-11T22:22:00.000Z",
        "ID": "CVE-2021-28506",
        "STATE": "PUBLIC",
        "TITLE": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "EOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "4.26.2F",
                          "version_value": "4.26.0"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "4.25.5.1M",
                          "version_value": "4.25.5"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "4.25.4M",
                          "version_value": "4.25.4"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "4.25.3",
                          "version_value": "4.25.0"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "4.24.7M",
                          "version_value": "4.24.2F"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Arista Networks"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-285 Improper Authorization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071",
            "refsource": "MISC",
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release. \nCVE-2021-28506 has been fixed in the following releases:\n4.26.3M and later releases in the 4.26.x train\n4.25.6M and later releases in the 4.25.x train\n4.25.4.1M and later releases in the 4.25.4.x train\n4.24.8M and later releases in the 4.24.x train"
        }
      ],
      "source": {
        "advisory": "71",
        "defect": [
          "BUG",
          "606192"
        ],
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "No mitigation options available"
        },
        {
          "lang": "eng",
          "value": "To mitigate CVE-2021-28506 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.24.7m",
                "versionStartIncluding": "4.24.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.25.3",
                "versionStartIncluding": "4.25.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.25.4m",
                "versionStartIncluding": "4.25.4",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.25.5.1m",
                "versionStartIncluding": "4.25.5",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.26.2f",
                "versionStartIncluding": "4.26.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@arista.com",
          "ID": "CVE-2021-28506"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-306"
                },
                {
                  "lang": "en",
                  "value": "CWE-862"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Mitigation",
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 9.4,
            "confidentialityImpact": "NONE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 9.2,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2022-07-14T18:47Z",
      "publishedDate": "2022-01-14T20:15Z"
    }
  }
}



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