CVE-2023-40104

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-15 · updated 2026-06-17
Weakness: CWE-295

Description

In ca-certificates, there is a possible way to read encrypted TLS data due to untrusted cryptographic certificates. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 11.0, 12.0, 12.1, 13.0

References

https://android.googlesource.com/platform/system/ca-certificates/+/91204b9fdbd77b3f27f94b73868607b2dccbfdad
https://source.android.com/security/bulletin/2023-11-01
https://android.googlesource.com/platform/system/ca-certificates/+/91204b9fdbd77b3f27f94b73868607b2dccbfdad
https://source.android.com/security/bulletin/2023-11-01

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