What is CVE-2021-39740?

CVE-2021-39740 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-03-30.

How severe is CVE-2021-39740?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Google Android

CVE-2021-39740

In Messaging, there is a possible way to bypass attachment restrictions due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-209965112

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39740?: CVE-2021-39740 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-03-30.
How severe is CVE-2021-39740?: Medium severity. CVSS v3 base score is 5.5 out of 10.