{"id":"CVE-2021-25653","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-25653","generatedAt":"2026-10-27T22:31:43.271Z","title":"A privilege escalation vulnerability was discovered in Avaya Aura Appliance Virtualization Platform Utilities (AVPU) that may potentially allow a local user to escalate privileges.","description":"A privilege escalation vulnerability was discovered in Avaya Aura Appliance Virtualization Platform Utilities (AVPU) that may potentially allow a local user to escalate privileges. Affects 8.0.0.0 through 8.1.3.1 versions of AVPU.","published":"2021-06-24T09:15:11.000Z","lastModified":"2026-06-17T03:42:17.000Z","status":"Modified","sourceIdentifier":"securityalerts@avaya.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-250"],"affected":["avaya/aura appliance virtualization platform"],"epss":{"score":0.00639,"percentile":0.50324,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://support.avaya.com/css/P8/documents/101076479","tags":["Vendor Advisory"],"source":"securityalerts@avaya.com"},{"url":"https://support.avaya.com/css/P8/documents/101076479","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-25653","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."}