CVE-2025-41659 – CODESYS Control PKI Folder Remote Access Vulnerability

The following table lists the changes that have been made to the
CVE-2025-41659 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 04, 2025

    Action Type Old Value New Value
    Added Description A low-privileged attacker can remotely access the PKI folder of the CODESYS Control runtime system and thus read and write certificates and its keys. This allows sensitive data to be extracted or to accept certificates as trusted. Although all services remain available, only unencrypted communication is possible if the certificates are deleted.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
    Added CWE CWE-732
    Added Reference https://certvde.com/de/advisories/VDE-2025-051
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