{"id":"CVE-2021-0705","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-0705","generatedAt":"2026-10-27T21:18:08.405Z","title":"In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions.","description":"In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103","published":"2021-10-22T14:15:08.000Z","lastModified":"2026-06-17T03:30:34.000Z","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":[],"affected":["google/android"],"epss":{"score":0.00259,"percentile":0.17488,"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 (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://source.android.com/security/bulletin/2021-10-01","tags":["Patch","Vendor Advisory"],"source":"security@android.com"},{"url":"https://source.android.com/security/bulletin/2021-10-01","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-0705","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."}