Use After Free in Google Android
CVE-2020-27067
In the l2tp subsystem, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-152409173
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Google Android
- Android — versions Android kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/security/bulletin/pixel/2020-12-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27067?
- CVE-2020-27067 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2020-12-15.
- How severe is CVE-2020-27067?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2020-27067 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.