What is CVE-2023-21339?

CVE-2023-21339 is a high-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-10-30.

How severe is CVE-2023-21339?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-21339 known to be exploited?

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

Resource exhaustion in Google Android

CVE-2023-21339

In Minikin, there is a possible way to trigger ANR by showing a malicious message due to resource exhaustion. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Google Android — versions 14

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

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-2023-21339?: CVE-2023-21339 is a high-severity vulnerability in Google Android, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-10-30.
How severe is CVE-2023-21339?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-21339 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.