What is CVE-2022-20473?

CVE-2022-20473 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-12-13.

How severe is CVE-2022-20473?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-20473 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Google Android

CVE-2022-20473

In toLanguageTag of LocaleListCache.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote code execution 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-239267173

Vulnerability class: Buffer Overflow

EPSS: 0.089 (94.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
N/a Android — versions Android-10 Android-11 Android-12 Android-12L Android-13

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20473?: CVE-2022-20473 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-12-13.
How severe is CVE-2022-20473?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-20473 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.