CVE-2021-0923

Name: CVE-2021-0923
Creator: NVD / NIST
Published: 2021-12-15T19:15:11.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-0923 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390

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

0.11%

1.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Google	Android	12.0

References

https://source.android.com/security/bulletin/2021-11-01Vendor Advisory
https://source.android.com/security/bulletin/2021-11-01Vendor Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0923?

How severe is CVE-2021-0923?

CVE-2021-0923 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0923?

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-2021-0923?

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

Scan your code now

Source: NVD / NIST