CVE-2023-20940

Name: CVE-2023-20940
Creator: NVD / NIST
Published: 2023-02-28T17:15:10.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.06%

Last modified Jun 17, 2026

CVE-2023-20940 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.06% chance of exploitation in the next 30 days.

Description

In the Android operating system, there is a possible way to replace a boot partition 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.Product: AndroidVersions: Android-13Android ID: A-256237041

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

0.06%

0.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	13.0

References

https://source.android.com/security/bulletin/2023-02-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2023-02-01Patch, Vendor Advisory

Timeline

Published: Feb 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20940?

How severe is CVE-2023-20940?

CVE-2023-20940 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.06% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20940?

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-2023-20940?

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

Scan your code now

Source: NVD / NIST