CVE-2025-59321: CPSD CryptoPro Secure Disk for Bitlocker vulnerability
Published Aug 12, 2026
·Updated
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 Software
1 affected component
CPSD CryptoPro Secure Disk for Bitlocker<7.7.4
Event History
Aug 12, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2025-59321?
CVE-2025-59321 has a risk rating of 55.
2
How do I fix CVE-2025-59321?
To fix CVE-2025-59321, upgrade to CPSD CryptoPro Secure Disk for Bitlocker version 7.7.4 or later.
3
What does CVE-2025-59321 vulnerability affect?
CVE-2025-59321 affects CPSD CryptoPro Secure Disk for Bitlocker prior to version 7.7.4.
4
What are the implications of CVE-2025-59321?
The implications of CVE-2025-59321 include the potential for TPM to be unexpectedly unsealed, compromising system security.
5
When was CVE-2025-59321 published?
CVE-2025-59321 was published on August 12, 2026.