CVE-2023-21267
MEDIUMAndroid - Local Information Disclosure via KeyguardViewMediator Logic Error
Title source: llmDescription
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.
References (4)
Core 4
Core References
Patch
https://android.googlesource.com/platform/frameworks/base/+/cb7e9c7549a2a076ec00db15e3da0d21b31b0b1c
Patch
https://android.googlesource.com/platform/frameworks/base/+/cecddcd865f72d76f7aacb1cf4479365847299f9
Patch
https://android.googlesource.com/platform/frameworks/base/+/e205cd30e91d8eeadf562140c34c306ebf7d6394
Vendor Advisory
https://source.android.com/security/bulletin/2024-04-01
Scores
CVSS v3
5.5
EPSS
0.0012
EPSS Percentile
1.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (4)
google/android
11.0
google/android
12.0
google/android
12.1
google/android
13.0
Published
Aug 14, 2023
Tracked Since
Feb 18, 2026