What is CVE-2023-21251?

CVE-2023-21251 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2023-07-13.

How severe is CVE-2023-21251?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2023-21251 known to be exploited?

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

Improper input validation in Google Android

CVE-2023-21251

In onCreate of ConfirmDialog.java, there is a possible way to connect to VNP bypassing user's consent due to improper input validation. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 12, 11.0, 11

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

security@android.com (Patch)
security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21251?: CVE-2023-21251 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2023-07-13.
How severe is CVE-2023-21251?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2023-21251 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.