CVE-2025-41659: Permission Flaw (CVSS 8.3)

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.

Is your site exposed to CVE-2025-41659?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.3

HIGH

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

Weakness Type (CWE)

CWE-732 CWE-732

References

Other References

https://certvde.com/de/advisories/VDE-2025-051

Frequently Asked Questions

What is CVE-2025-41659? +

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. It has a CVSS v3.1 base score of 8.3 (HIGH).

How severe is CVE-2025-41659? +

CVE-2025-41659 has a CVSS v3.1 score of 8.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-41659? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-6369

An improper access control vulnerability in the canonical-livepatch snap client prior to version 10.15.0 allows a local unprivileged user to …

CVE-2026-9489

NitroSense 3.x before 3.01.3052 contains Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a custom …

CVE-2026-6499

Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.

CVE-2026-8069

PredatorSense version 3.00.3136 to 3.00.3196 contain Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a …

CVE-2025-24481

An Incorrect Permission Assignment Vulnerability exists in the product and version listed above. The vulnerability is due to incorrect permissions …

CVE-2025-1413

DaVinci Resolve on MacOS was found to be installed with incorrect file permissions (rwxrwxrwx). This is inconsistent with standard macOS …

CVE-2025-41659