CVE-2023-21399

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-13 · updated 2026-06-17
Weakness: CWE-327

Description

there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: all versions

References

https://source.android.com/security/bulletin/pixel/2023-07-01
https://source.android.com/security/bulletin/pixel/2023-07-01

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