What is CVE-2022-20549?

CVE-2022-20549 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2022-12-16.

How severe is CVE-2022-20549?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Google Android

CVE-2022-20549

In authToken2AidlVec of KeyMintUtils.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-242702451

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 13.0
N/a Android — versions Android-13

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20549?: CVE-2022-20549 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2022-12-16.
How severe is CVE-2022-20549?: Medium severity. CVSS v3 base score is 6.7 out of 10.