SB2025100226 - Improper Verification of Cryptographic Signature in Siemens Mendix SAML Module
Published: October 2, 2025
Security Bulletin ID
SB2025100226
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-40758)
CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficiently enforce signature validation and binding checks. A remote attacker can hijack an account in specific SSO configurations.
Remediation
Install update from vendor's website.