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CVE-2023-3634

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

HIGH
8.8
CVSS Score
Published: April 16, 2026 at 04:40 AM UTC
Updated: October 28, 2026 at 07:10 PM UTC
3 products affected across 1 vendorMSE6-E2MMSE6-D2MMSE6-C2M

Using MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD by Festo?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MSE6-E2M· Festo
91%
All versions
MSE6-C2M· Festo
90%
All versions
MSE6-D2M· Festo
90%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-1242

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