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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.017 (76.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-0313: held from 0.017 to 0.017.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000

Affected products

  • Google Android — versions 8.0, 8.1, 9.0
  • Android — versions Android-9, Android-10, Android-11

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.