Unrated severityNVD Advisory· Published Aug 12, 2026

CVE-2025-59321

Description

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 contains a default TPM PCR policy that fails to consider the system boot state. This allows the TPM to be unsealed via an unintended execution path or from another hardware platform.

Affected products

CryptoPro/Secure Disk for Bitlockerllm-fuzzy
Range: <7.7.4

Patches

Vulnerability mechanics

References

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

News mentions

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