Vulnerability · Published Dec 13, 2022 · Assigned by google_android

CVE-2022-20491

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 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 93.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

In NotificationChannel of NotificationChannel.java, there is a possible failure to persist permissions settings due to resource exhaustion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-242703556

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	android-platform-frameworks-base	no fix listed	UBUNTU-CVE-2022-20491
Ubuntu:24.04:LTS	android-platform-frameworks-base	no fix listed	UBUNTU-CVE-2022-20491

Affected products (as reported)

Vendor	Product	Versions
n/a	Android	Android-10 Android-11 Android-12 Android-12L Android-13

Weakness: CWE-1284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://source.android.com/security/bulletin/2022-12-01