anonhaven

CVE-2025-59327

HIGH CVSS 3.1: 7.5 EPSS 0.15%
Updated Aug 13, 2026
N/A
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-347 (Improper Verification of Cryptographic Signature)
Vendor N/A
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-347 Improper Verification of Cryptographic Signature

Vulnerable Products

n/a:n/a

References 3

https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurit…
cve@mitre.org
https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurit…
cve@mitre.org
https://www.cpsd.at/blog/
cve@mitre.org
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