What is the CVSS score of CVE-2023-3634?

CVE-2023-3634 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Mse6 C2M 5000 Fb36 D M Rg Bar M12L4 Agd CVE-2023-3634

EUVD-2023-44280 HIGH

Inclusion of Undocumented Features or Chicken Bits (CWE-1242)

2026-04-16 CERTVDE

GHSA-gp63-xp8x-53g4

Information Disclosure 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 Mse6 C2M 5000 Fb44 D M Rg Bar Ami Agd Mse6 C2M 5000 Fb44 D Rg Bar Ami Agd Mse6 D2M 5000 Cbus S Rg Bar Vcb Agd Mse6 E2M 5000 Fb13 Agd Mse6 E2M 5000 Fb36 Agd Mse6 E2M 5000 Fb37 Agd Mse6 E2M 5000 Fb43 Agd Mse6 E2M 5000 Fb44 Agd

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Apr 16, 2026 - 05:00 euvd

EUVD-2023-44280

CVE Published

Apr 16, 2026 - 04:40 nvd

HIGH 8.8

DescriptionCVE.org

AnalysisAI

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,. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1242. 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 include: 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.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.