CVE-2021-1043

Name: CVE-2021-1043
Creator: NVD / NIST
Published: 2021-12-15T19:15:14.72+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2021-1043 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In TBD of TBD, there is a possible downgrade attack due to under utilized anti-rollback protections. This could lead to local information disclosure with no additional execution privileges needed. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In TBD of TBD, there is a possible downgrade attack due to under utilized anti-rollback protections. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194697257References: N/A

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.12%

1.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	All versions

References

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

Timeline

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

Frequently Asked Questions

What is CVE-2021-1043?

How severe is CVE-2021-1043?

CVE-2021-1043 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1043?

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-2021-1043?

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

Scan your code now

Source: NVD / NIST