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Vulnerability record · CVE-2025-59319 · published 12 August 2026

CVE-2025-59319: Authentication bypass by spoofing vulnerability

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to certify the integrity of the intended boot partition and selects the first partition index matching a hardcoded type value. A crafted Linux partition could be inserted ahead of this intended target, allowing for code execution in the context of high privilege.

7.2 CVSS 3.1 High EPSS 0.67% · top 50.1% CWE-290 · Authentication bypass by spoofing Deferred
7.2CVSS 3.1 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to certify the integrity of the intended boot partition and selects the first partition index matching a hardcoded type value. A crafted Linux partition could be inserted ahead of this intended target, allowing for code execution in the context of high privilege.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-59319), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.