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Festo MSE6 undocumented test mode reachable by low-privileged authenticated user enables full system compromise

Last refreshed2026-09-30

Status: NEW  |  Advisory ID: CVE-2023-3634

Key Details

CVECVE-2023-3634
CVSS Score / Version8.8 (High) / CVSS v3.1
Updated2026-06-17
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Classified asCWE-1242 (Inclusion of Undocumented Features or Chicken Bits)

What to Know

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.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-3634
CVEhttps://www.cve.org/CVERecord?id=CVE-2023-3634