Is CVE-2023-3634 actively exploited?

No active exploitation of CVE-2023-3634 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-3634 be exploited remotely?

Yes. CVE-2023-3634 is exploitable remotely over the network (CVSS attack vector: Network).

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

CVE-2023-3634 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2023-3634

CWE-1242Published: April 16, 2026· Updated: Apr 17, 2026

8.8

CVSS v3.1

EPSS:0.35%probability of exploitation in 30 daysPercentile:57.8th

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.

NVD Source

Technical Analysis

CVE-2023-3634 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.