Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity
- https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity
- https://www.cpsd.at/blog/
FAQ
What is CVE-2025-59321?
CVE-2025-59321 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 pa...
How severe is CVE-2025-59321?
CVE-2025-59321 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-59321?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.