CVE-2025-59327

State: Published
Severity: 7.5 High
Published: Aug 12, 2026
Updated: Aug 13, 2026
Reserved: Sep 12, 2025

Description

In CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4, bootxsa.efi fails to properly validate LUKS encryption and, if encryption is present, all CryptoPro file integrity checks are skipped.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.cpsd.at/blog/
https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-Wednesday.pdf
https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-wp.pdf

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