{"id":"CVE-2021-28499","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28499","generatedAt":"2026-10-27T23:30:02.712Z","title":"In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user account passwords set in clear text could leak to users without any password.","description":"In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user account passwords set in clear text could leak to users without any password. This issue affects: Arista Metamako Operating System MOS-0.18 and post releases in the MOS-0.1x train All releases in the MOS-0.2x train MOS-0.31.1 and prior releases in the MOS-0.3x train","published":"2021-09-09T13:15:10.000Z","lastModified":"2026-06-17T03:46:28.000Z","status":"Modified","sourceIdentifier":"psirt@arista.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-255","CWE-522"],"affected":["arista/metamako operating system"],"epss":{"score":0.00205,"percentile":0.10338,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/12912-security-advisory-64","tags":["Mitigation","Vendor Advisory"],"source":"psirt@arista.com"},{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/12912-security-advisory-64","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28499","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}