VULNERABILITY INTELLIGENCE
CVE-2023-21337
CVSS score7.8 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2023-10-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
In InputMethod, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness classification
- nvd@nist.gov: CWE-203
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-203
Primary references
- security@android.com — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory