Privilege escalation in Google Android

CVE-2023-21396

In Activity Manager, there is a possible background activity launch due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Privilege Escalation

EPSS: 0.001 (1.3th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-21396?
CVE-2023-21396 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-10-30.
How severe is CVE-2023-21396?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-21396 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.