What is CVE-2022-20140?

CVE-2022-20140 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-06-15.

How severe is CVE-2022-20140?

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

Is CVE-2022-20140 known to be exploited?

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

Buffer overflow in Google Android

CVE-2022-20140

In read_multi_rsp of gatt_sr.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-227618988

Vulnerability class: Buffer Overflow

EPSS: 0.086 (94.5th 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 12.0, 12.1
N/a Android — versions Android-12 Android-12L

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20140?: CVE-2022-20140 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-06-15.
How severe is CVE-2022-20140?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-20140 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.