What is CVE-2022-20377?

CVE-2022-20377 is a medium-severity vulnerability in Google Android. CVSS score: 6.7/10. Published 2022-08-11.

How severe is CVE-2022-20377?

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

Vulnerability in Google Android

CVE-2022-20377

In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222339795References: N/A

EPSS: 0.001 (1.0th 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
N/a Android — versions Android kernel

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20377?: CVE-2022-20377 is a medium-severity vulnerability in Google Android. CVSS score: 6.7/10. Published 2022-08-11.
How severe is CVE-2022-20377?: Medium severity. CVSS v3 base score is 6.7 out of 10.