Privilege escalation in Siemens Mendix Oidc Sso (Mendix 10.12 Compatible)

CVE-2025-40571

A vulnerability has been identified in Mendix OIDC SSO (Mendix 10.12 compatible) (All versions < V4.0.1), Mendix OIDC SSO (Mendix 9 compatible) (All versions < V3.3.1), Mendix OIDC SSO V4.2 (Mendix 10 compatible) (All versions < V4.2.1), Mendix OIDC SSO V4.3 (Mendix 10 compatible) (All versions). The Mendix OIDC SSO module grants read and write access to all tokens exclusively to the Administrator role and could result in privilege misuse by an adversary modifying the module during Mendix development.

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-40571?
CVE-2025-40571 is a low-severity vulnerability in Siemens Mendix Oidc Sso (Mendix 10.12 Compatible), classified under Incorrect Privilege Assignment. CVSS score: 2.2/10. Published 2025-05-13.
How severe is CVE-2025-40571?
Low severity. CVSS v3 base score is 2.2 out of 10.