# CVE-2025-59320

## Summary

- **CVE ID:** CVE-2025-59320
- **Severity:** MEDIUM
- **CVSS Score:** 4.6 (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** N/A
- **Published:** Aug 12, 2026
- **Last Modified:** Aug 12, 2026

## Description

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 stores TPM2.0 secrets in a serialized format within unused disk sectors. An unauthenticated attacker with physical access to the system disk can recover this information and craft an environment to unseal the TPM.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://www.cpsd.at/blog/)
- [CNA](https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-Wednesday.pdf)
- [CNA](https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-wp.pdf)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 8.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._