{"id":"CVE-2020-0423","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-0423","generatedAt":"2026-10-27T22:25:51.695Z","title":"In binder_release_work of binder.c, there is a possible use-after-free due to improper locking.","description":"In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A","published":"2020-10-14T14:15:17.000Z","lastModified":"2026-06-17T02:45:49.000Z","status":"Modified","sourceIdentifier":"security@android.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-416","CWE-667"],"affected":["google/android","debian/debian linux"],"epss":{"score":0.00507,"percentile":0.42991,"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 (0.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html","tags":["Mailing List","Third Party Advisory"],"source":"security@android.com"},{"url":"https://source.android.com/security/bulletin/2020-10-01","tags":["Vendor Advisory"],"source":"security@android.com"},{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://source.android.com/security/bulletin/2020-10-01","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-0423","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."}