{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-28507",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-28507",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2022-01-14T19:04:51.398Z",
    "updatedAt": "2024-09-17T04:20:33.347Z",
    "importedAt": "2026-10-24T01:56:26.894Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.",
      "summary": "An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.",
      "affected": [
        {
          "vendor": "Arista Networks",
          "product": "EOS",
          "versions": [
            {
              "version": "4.22.x",
              "status": "affected"
            },
            {
              "version": "4.26.2F",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.26.0"
            },
            {
              "version": "4.25.5.1M",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.25.5"
            },
            {
              "version": "4.25.4M",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.25.4"
            },
            {
              "version": "4.25.3",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.25.0"
            },
            {
              "version": "4.24.7M",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.24.0"
            },
            {
              "version": "4.23.9M",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.23.0"
            },
            {
              "version": "4.21.x",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.21.x"
            }
          ]
        }
      ]
    }
  }
}