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

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Summary

CVECVE-2023-3634
StatePUBLISHED
AssignerCERTVDE
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-16 05:16:12 UTC
Updated2026-04-17 15:38:09 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.003540000 probability, percentile 0.577780000 (date 2026-04-20)

Problem Types: CWE-1242 | CWE-1242 CWE-1242 Inclusion of Undocumented Features or Chicken Bits

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD affected * Not specified
CNA Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD affected * Not specified
CNA Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD affected * Not specified
CNA Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD affected * Not specified
CNA Festo MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD affected * Not specified
CNA Festo MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD affected * Not specified
CNA Festo MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD affected * Not specified
CNA Festo MSE6-E2M-5000-FB13-AGD affected * Not specified
CNA Festo MSE6-E2M-5000-FB36-AGD affected * Not specified
CNA Festo MSE6-E2M-5000-FB37-AGD affected * Not specified
CNA Festo MSE6-E2M-5000-FB43-AGD affected * Not specified
CNA Festo MSE6-E2M-5000-FB44-AGD affected * Not specified

References

ReferenceSourceLinkTags
certvde.com/de/advisories/VDE-2023-020 [email protected] certvde.com
festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json [email protected] festo.csaf-tp.certvde.com
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