CVE-2023-21267

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
google_androidCNA
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CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
googleandroid
11.0
googleandroid
12.0
googleandroid
12.1
googleandroid
13.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://android.googlesource.com/platform/frameworks/base/+/cb7e9c7549a2a076ec00db15e3da0d21b31b0b1c
https://android.googlesource.com/platform/frameworks/base/+/cecddcd865f72d76f7aacb1cf4479365847299f9
https://android.googlesource.com/platform/frameworks/base/+/e205cd30e91d8eeadf562140c34c306ebf7d6394
https://source.android.com/security/bulletin/2024-04-01
https://android.googlesource.com/platform/frameworks/base/+/cb7e9c7549a2a076ec00db15e3da0d21b31b0b1c
https://android.googlesource.com/platform/frameworks/base/+/cecddcd865f72d76f7aacb1cf4479365847299f9
https://android.googlesource.com/platform/frameworks/base/+/e205cd30e91d8eeadf562140c34c306ebf7d6394
https://source.android.com/security/bulletin/2024-04-01