Privilege escalation in Google Android
CVE-2021-0327
In getContentProviderImpl of ActivityManagerService.java, there is a possible permission bypass due to non-restored binder identities. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-172935267
Vulnerability class: Privilege Escalation
EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 8.1, 9.0, 10.0
- N/a Android — versions Android-9 Android-10 Android-11 Android-8.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0327?
- CVE-2021-0327 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-02-10.
- How severe is CVE-2021-0327?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-0327 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.