Privilege escalation in Google Android
CVE-2023-21269
In startActivityInner of ActivityStarter.java, there is a possible way to launch an activity into PiP mode from the background due to BAL bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Privilege Escalation
EPSS: 0.001 (0.3th 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 13, 13.0
Weakness classification (CWE)
References
- security@android.com (Patch)
- security@android.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21269?
- CVE-2023-21269 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-08-14.
- How severe is CVE-2023-21269?
- High severity. CVSS v3 base score is 7.8 out of 10.