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CVE-2023-3634

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

Published: Apr 16, 2026Updated: Apr 17, 2026 Sources: CVE List NVD BDU csafCWE-1242
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.5%
Top 61.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-1242

Affected Products

MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGDFestoICS / OT / IoT
MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGDFestoICS / OT / IoT
MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGDFestoICS / OT / IoT
MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGDFestoICS / OT / IoT
MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGDFestoICS / OT / IoT
festocommercialDEICS / OT / IoTaka festo
and 19 more affected products View all →

Exploitability

Official Patch Available

References

https://certvde.com/de/advisories/VDE-2023-020/
certvde.com
https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json
festo.csaf-tp.certvde.com
https://cert.vde.com/en/advisories/VDE-2023-020/
cert.vde.com
and 11 more references View all →

Timeline

Published
Apr 16, 2026
Last Updated
Apr 17, 2026

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