Remote Access Vulnerability in MSE6 Products by Festo
CVE-2023-3634

8.8HIGH

Key Information:

Vendor

Festo

Status
Mse6-c2m-5000-fb36-d-m-rg-bar-m12l4-agd
Mse6-c2m-5000-fb36-d-m-rg-bar-m12l5-agd
Mse6-c2m-5000-fb43-d-m-rg-bar-m12l4-MQ1-agd
Mse6-c2m-5000-fb43-d-m-rg-bar-m12l5-MQ1-agd
Vendor
CVE Published:
16 April 2026

What is CVE-2023-3634?

A vulnerability in the MSE6 product family by Festo allows remote authenticated attackers with low privileges to exploit undocumented test mode functions. This can potentially result in serious impacts on confidentiality, integrity, and availability of the affected systems, leading to unauthorized access and control.

Affected Version(s)

MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD *

MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD *

MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD *

References

https://certvde.com/de/advisories/VDE-2023-020/
https://festo.csaf-tp.certvde.com/.well-known/csaf/white/...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.