What is CVE-2021-0313?

CVE-2021-0313 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-01-11.

How severe is CVE-2021-0313?

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

Is CVE-2021-0313 known to be exploited?

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

Improper input validation in Google Android

CVE-2021-0313

In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.

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

EPSS: 0.017 (74.6th 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:N/I:N/A:H.

Affected products

Google Android — versions 8.0, 8.1, 9.0
N/a Android — versions Android-9, Android-10, Android-11

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-0313?: CVE-2021-0313 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-01-11.
How severe is CVE-2021-0313?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-0313 known to be exploited?: 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.