Vulnerability in Google Android
CVE-2023-21337
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (1.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% 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 — versions 14
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/docs/security/bulletin/android-14 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21337?
- CVE-2023-21337 is a high-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 7.8/10. Published 2023-10-30.
- How severe is CVE-2023-21337?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-21337 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.