CVE-2021-0520
In several functions of MemoryFileSystem.cpp and related files, there is a possible use after free due to a race condition. This could lead to local...
- Published
- Jun 21, 2021
- Updated
- Aug 3, 2024
- Assigning CNA
- google_android
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 7.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In several functions of MemoryFileSystem.cpp and related files, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-176237595
Sources
2Exploit or analysis for CVE-2021-0520 in Android's media framework (frameworks/av) on AOSP 10 r33, targeting a vulnerability in audio/video processing.
Responsible use
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