{"schemaVersion":3,"id":"CVE-2020-26569","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases in the 4.21.x train; 4.22.7M and below releases in the 4.22.x train; 4.23.5M and below releases in the 4.23.x train; 4.24.2F and below releases in the 4.24.x 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4.24.2f","eol":null,"hubHref":"/vendor/arista/eos"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/11997-security-advisory-57","label":"www.arista.com/en/support/advisories-notices/security-advisories/11997-security-advisory-57","hostname":"www.arista.com","tags":["X Refsource CONFIRM","Exploit","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-12-28T15:52:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T15:56:04.942Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T19:05:23.755Z","stale":false,"partial":false}}