What is CVE-2021-39809?

CVE-2021-39809 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-04-12.

How severe is CVE-2021-39809?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Google Android

CVE-2021-39809

In avrc_ctrl_pars_vendor_rsp of avrc_pars_ct.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205837191

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39809?: CVE-2021-39809 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-04-12.
How severe is CVE-2021-39809?: High severity. CVSS v3 base score is 7.5 out of 10.