What is CVE-2023-21358?

CVE-2023-21358 is a high-severity vulnerability in Google Android, classified under Improper Certificate Validation. CVSS score: 7.8/10. Published 2023-10-30.

How severe is CVE-2023-21358?

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

Vulnerability in Google Android

CVE-2023-21358

In UWB Google, there is a possible way for a malicious app to masquerade as system app com.android.uwb.resources due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Improper Certificate Validation

EPSS: 0.001 (0.2th 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 14.0, 14

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21358?: CVE-2023-21358 is a high-severity vulnerability in Google Android, classified under Improper Certificate Validation. CVSS score: 7.8/10. Published 2023-10-30.
How severe is CVE-2023-21358?: High severity. CVSS v3 base score is 7.8 out of 10.