Vulnerability · Published Jun 21, 2021 · Assigned by google_android
CVE-2021-0520
High 7.0
In plain English
A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.0High
Exploit odds (30 days)0.2%top 93.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2021-06-01 x_refsource_MISC