CVE-2023-50443

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-13 · updated 2026-06-17

Description

Encrypted disks created by PRIMX CRYHOD for Windows before Q.2020.4 (ANSSI qualification submission) or CRYHOD for Windows before 2023.5 can be modified by an unauthenticated attacker to include a UNC reference so that it could trigger outbound network traffic from computers on which disks are opened.

Affected products

Primx Cryhod: before 2020.4; from 2021.0 before 2021.3; from 2023.0 before 2023.5 — fixed in 2020.4, 2021.3, 2023.5

How to fix

Upgrade to a fixed version: Primx Cryhod 2020.4, 2021.3, 2023.5. Check the vendor advisory for mitigations.

References

https://www.primx.eu/en/bulletins/security-bulletin-23B3093B/
https://www.primx.eu/fr/blog/
https://www.primx.eu/en/bulletins/security-bulletin-23B3093B/
https://www.primx.eu/fr/blog/

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