Vulnerability · Published Oct 22, 2021 · Assigned by google_android

CVE-2021-0705

High 7.8

In plain English

A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.8High

Exploit odds (30 days)0.3%top 82.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official 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

Affected products (as reported)

Vendor	Product	Versions
n/a	Android	Android-11 Android-10

References

https://source.android.com/security/bulletin/2021-10-01 x_refsource_MISC