What is CVE-2023-21330?

CVE-2023-21330 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2023-10-30.

How severe is CVE-2023-21330?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-21330 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2023-21330

In Overlay Manager, 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 information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 14

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security@android.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21330?: CVE-2023-21330 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2023-10-30.
How severe is CVE-2023-21330?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-21330 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.