What’s Vulnerable › Vulnerabilities

CVE-2023-3634: Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-16 · updated 2026-10-28
• Weakness: CWE-1242

Description

In products of the MSE6 product-family by Festo a remote authenticated, low privileged attacker could use functions of undocumented test mode which could lead to a complete loss of confidentiality, integrity and availability.

Affected products

• Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD: all versions
• Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD: all versions
• Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD: all versions
• Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD: all versions
• Festo MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD: all versions
• Festo MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD: all versions
• Festo MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD: all versions
• Festo MSE6-E2M-5000-FB13-AGD: all versions
• Festo MSE6-E2M-5000-FB36-AGD: all versions
• Festo MSE6-E2M-5000-FB37-AGD: all versions
• Festo MSE6-E2M-5000-FB43-AGD: all versions
• Festo MSE6-E2M-5000-FB44-AGD: all versions

References

• https://certvde.com/de/advisories/VDE-2023-020/
• https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json

Get alerted when CVE-2023-3634 or the next vulnerability affects your stack