CVE-2025-59321

CVSS 9.8 (critical) · published 2026-08-12

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.

Weakness: CWE-1188

Source: NVD CVE-2025-59321

References

• 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
• https://www.cpsd.at/blog/

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