{
  "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-2026-73451",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-73451",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-15T18:12:44.908Z",
    "updatedAt": "2026-09-15T19:24:42.924Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces (SVI) in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can",
      "summary": "On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces (SVI) in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop functioning. This may result in incorrect packet permit/deny behavior.\n\nThis issue was discovered internally by Arista, and the company is not aware of any malicious exploitation of this vulnerability in customer networks.",
      "affected": [
        {
          "vendor": "Arista Networks",
          "product": "EOS",
          "platforms": [
            "755 Series",
            "758 Series"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.36.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.36.0.1F"
            },
            {
              "version": "4.35.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.35.4M"
            },
            {
              "version": "4.34.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.34.6M"
            },
            {
              "version": "4.33.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.33.8M"
            },
            {
              "version": "4.32.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.32.11M"
            },
            {
              "version": "4.31.1F",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.31.10M"
            }
          ]
        }
      ]
    }
  }
}