What is CVE-2023-21272?

CVE-2023-21272 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-08-14.

How severe is CVE-2023-21272?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-21272 known to be exploited?

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

Privilege escalation in Google Android

CVE-2023-21272

In readFrom of Uri.java, there is a possible bad URI permission grant due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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

EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.

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.

Affected products

Google Android — versions 12, 11.0, 11

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2023-21272?: CVE-2023-21272 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-08-14.
How severe is CVE-2023-21272?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-21272 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.