CVE-2021-0520
Last modified
CVE-2021-0520 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Android | 10.0 | |
| Android | 11.0 |
References
- https://source.android.com/security/bulletin/2021-06-01Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2021-06-01Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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