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.
References3
Metrics
- CVSS 3.1
-
4.6
MEDIUM
Score source: CNA
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 15 · as of 12 November 2026
- CWE
- CWE-922
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.