What is CVE-2021-39805?

CVE-2021-39805 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-04-12.

How severe is CVE-2021-39805?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Google Android

CVE-2021-39805

In l2cble_process_sig_cmd of l2c_ble.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure through Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-212694559

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 12.0, 12.1
N/a Android — versions Android-12 Android-12L

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39805?: CVE-2021-39805 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-04-12.
How severe is CVE-2021-39805?: Medium severity. CVSS v3 base score is 6.5 out of 10.