{"id":"CVE-2021-22553","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22553","generatedAt":"2026-10-28T02:58:53.385Z","title":"Any git operation is passed through Jetty and a session is created.","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","published":"2021-02-17T12:15:12.000Z","lastModified":"2026-06-17T03:37:25.000Z","status":"Modified","sourceIdentifier":"cve-coordination@google.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400","CWE-772"],"affected":["google/gerrit"],"epss":{"score":0.00368,"percentile":0.30404,"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 (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugs.chromium.org/p/gerrit/issues/detail?id=13858","tags":["Issue Tracking","Third Party Advisory"],"source":"cve-coordination@google.com"},{"url":"https://bugs.chromium.org/p/gerrit/issues/detail?id=13858","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22553","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."}