What is CVE-2021-39739?

CVE-2021-39739 is a low-severity vulnerability in Google Android, classified under Insertion of Sensitive Information into Log File. CVSS score: 3.3/10. Published 2022-03-30.

How severe is CVE-2021-39739?

Low severity. CVSS v3 base score is 3.3 out of 10.

Information disclosure in Google Android

CVE-2021-39739

In ArrayMap, there is a possible leak of the content of SMS messages due to log information disclosure. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-184525194

Published 2022-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 12.1
Android — versions Android-12L

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

source.android.com/security/bulletin/android-12l (Vendor Advisory)

Frequently asked questions

What is CVE-2021-39739?: CVE-2021-39739 is a low-severity vulnerability in Google Android, classified under Insertion of Sensitive Information into Log File. CVSS score: 3.3/10. Published 2022-03-30.
How severe is CVE-2021-39739?: Low severity. CVSS v3 base score is 3.3 out of 10.