What is CVE-2023-21387?

CVE-2023-21387 is a medium-severity vulnerability in Google Android, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2023-10-30.

How severe is CVE-2023-21387?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Is CVE-2023-21387 known to be exploited?

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

Information disclosure in Google Android

CVE-2023-21387

In User Backup Manager, there is a possible way to leak a token to bypass user confirmation for backup due to log information disclosure. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 14

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

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-2023-21387?: CVE-2023-21387 is a medium-severity vulnerability in Google Android, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2023-10-30.
How severe is CVE-2023-21387?: Medium severity. CVSS v3 base score is 4.4 out of 10.
Is CVE-2023-21387 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.