Cyber Resilience

CVE-2021-0311

Medium

Published: 11 January 2021

Published
11 January 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0020 41.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-0311 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Google Android. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 41.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In ElementaryStreamQueue::dequeueAccessUnitH264() of ESQueue.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions:…

more

Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170240631.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

google
android
10.0, 11.0, 8.0, 8.1, 9.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References