CVE-2023-21358

Name: CVE-2023-21358
Creator: NVD / NIST
Published: 2023-10-30T17:15:51.653+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.08%

Last modified Jun 17, 2026

CVE-2023-21358 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.08% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.08%

0.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Google	Android	14.0

References

https://source.android.com/docs/security/bulletin/android-14Vendor Advisory
https://source.android.com/docs/security/bulletin/android-14Vendor Advisory

Timeline

Published: Oct 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21358?

How severe is CVE-2023-21358?

CVE-2023-21358 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21358?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21358?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST