{"schemaVersion":3,"id":"CVE-2025-2826","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"n affected platforms running Arista EOS, ACL policies may not be enforced. IPv4 ingress ACL, MAC ingress ACL, or IPv6 standard ingress ACL enabled on one or more ethernet or LAG interfaces may result in ACL policies not being enforced for ingress packets. This can cause incoming packets to incorrectly be allowed or denied. The two symptoms of this issue on the affected release and platform are:\n\n  *  Packets which should be permitted may be dropped and,\n  *  Packets which should be dropped may be permitted.","dates":{"published":"2025-05-27T22:22:51.717Z","modified":"2025-05-28T13:34:08.151Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":2.6,"severity":"low","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":2.6,"severity":"low","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":2.6,"severity":"low","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00518,"percentile":0.4284,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.061999999999999986,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0058},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00518,"percentile":0.4284}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0058,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00518,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00518,"percentile":0.4284}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-1284","name":"Improper Validation of Specified Quantity in Input","description":"The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/1284.html"}],"affected":[{"vendor":"arista networks","product":"eos","name":"EOS","label":"eos","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"4.33.2F","noFixRecorded":false,"fixedIn":null}],"versionsText":"4.33.2F","eol":null,"hubHref":"/vendor/arista_networks/eos"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120","label":"www.arista.com/en/support/advisories-notices/security-advisory/21414-security-advisory-0120","hostname":"www.arista.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-05-27T22:22:51.717Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-05-28T13:34:08.151Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":11,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T04:58:31.252Z","stale":false,"partial":false}}