Description
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
Exploits (2)
nomisec
WRITEUP
by ShaikUsaf · poc
https://github.com/ShaikUsaf/frameworks_av_AOSP10_r33_CVE-2021-0520
nomisec
WRITEUP
by nanopathi · poc
https://github.com/nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0520
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2021-06-01
Scores
CVSS v3
7.0
EPSS
0.0003
EPSS Percentile
8.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
CWE-416
Status
published
Products (2)
google/android
10.0
google/android
11.0
Published
Jun 21, 2021
Tracked Since
Feb 18, 2026