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Vulnerability · Published Apr 16, 2026 · Assigned by CERTVDE

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

High 8.8

In plain English

A high-severity security flaw in MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD from Festo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

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

Weakness: CWE-1242 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References