{"id":"CVE-2018-5255","aliases":["EUVD-2018-17037","GHSA-jf47-qj6f-fq8j"],"status":"published","title":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers...","description":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01049,"percentile":0.64476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-03-05T18:00:00Z","modified":"2026-06-17T01:59:55Z","products":[{"vendor":"arista","product":"eos"}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5255"},{"url":"https://github.com/advisories/GHSA-jf47-qj6f-fq8j"}],"sources":{"cve":[{"id":"CVE-2018-5255","description":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.","status":"published","published":"2018-03-05T18:00:00Z","modified":"2024-08-05T05:33:44.073Z","updated_at":"2026-11-02T14:35:01.28843Z"}],"euvd":[{"id":"EUVD-2018-17037","description":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.","status":"published","published":"2018-03-05T18:00:00Z","modified":"2024-08-05T05:33:44Z","updated_at":"2026-11-03T02:40:11.187677Z"}],"ghsa":[{"id":"GHSA-jf47-qj6f-fq8j","title":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers...","description":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.","status":"published","published":"2022-05-13T01:52:45Z","modified":"2023-02-02T05:02:15Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:51:23.915291Z"}],"nvd":[{"id":"CVE-2018-5255","description":"The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.","status":"published","published":"2018-03-05T18:29:00.423Z","modified":"2026-06-17T01:59:55.423Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:23.783914Z"}]}}