CVE-2023-21267

Description

In multiple functions of KeyguardViewMediator.java, there is a possible way to bypass lockdown mode with screen pinning due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.00%
Affected: Google Android
Published at:
Updated at:

References

Link Tags
https://android.googlesource.com/platform/frameworks/base/+/cecddcd865f72d76f7aacb1cf4479365847299f9
https://android.googlesource.com/platform/frameworks/base/+/cb7e9c7549a2a076ec00db15e3da0d21b31b0b1c
https://android.googlesource.com/platform/frameworks/base/+/e205cd30e91d8eeadf562140c34c306ebf7d6394
https://source.android.com/security/bulletin/2024-04-01

Frequently Asked Questions

What is the severity of CVE-2023-21267?
CVE-2023-21267 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21267?
To fix CVE-2023-21267, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21267 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21267 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21267?
CVE-2023-21267 affects Google Android.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.