CVE-2021-0437

HIGH

Android - Privilege Escalation

Title source: llm

Description

In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330

Exploits (2)

gitlab WRITEUP

by nanopathi · poc

https://gitlab.com/nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0437

View Code ZIP pw:eip

nomisec WRITEUP

by nanopathi · poc

https://github.com/nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0437

View Code ZIP pw:eip

References (1)

[Patch, Vendor Advisory] https://source.android.com/security/bulletin/2021-04-01

Scores

CVSS v3 7.8

EPSS 0.0003

EPSS Percentile 6.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-415

Status published

Affected Products (4)

google/android

google/android

google/android

google/android

Timeline

Published Apr 13, 2021

Tracked Since Feb 18, 2026