Cyber Resilience

CVE-2021-26689

Critical

Published: 04 February 2021

Published
04 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0017 38.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-26689 is a critical-severity Use After Free (CWE-416) vulnerability in Google Android. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 38.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered on LG mobile devices with Android OS 8.0, 8.1, 9.0, and 10 software. The USB laf gadget has a use-after-free. The LG ID is LVE-SMP-200031 (February 2021).

CWE(s)
CWE-416

Related Threats

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

Affected Assets

google
android
10.0, 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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References