CVE-2025-40758

HIGH

Mendix SAML Module - Signature Validation Account Hijacking

Title source: manual
STIX 2.1

Description

A vulnerability has been identified in Mendix SAML (Mendix 10.12 compatible) (All versions < V4.0.3), Mendix SAML (Mendix 10.21 compatible) (All versions < V4.1.2), Mendix SAML (Mendix 9.24 compatible) (All versions < V3.6.21). Affected versions of the module insufficiently enforce signature validation and binding checks. This could allow unauthenticated remote attackers to hijack an account in specific SSO configurations.

References (1)

Core 1

Scores

CVSS v3 8.7
EPSS 0.0022
EPSS Percentile 12.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-347
Status published
Products (3)
Siemens/Mendix SAML (Mendix 10.12 compatible) < V4.0.3
Siemens/Mendix SAML (Mendix 10.21 compatible) < V4.1.2
Siemens/Mendix SAML (Mendix 9.24 compatible) < V3.6.21
Published Aug 14, 2025
Tracked Since Feb 18, 2026