Vulnerability in Siemens Mendix Saml (Mendix 10.12 Compatible)
CVE-2025-40758
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Siemens Mendix Saml (Mendix 10.12 Compatible) — versions 0
- Siemens Mendix Saml (Mendix 10.21 Compatible) — versions 0
- Siemens Mendix Saml (Mendix 9.24 Compatible) — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-40758?
- CVE-2025-40758 is a high-severity vulnerability in Siemens Mendix Saml (Mendix 10.12 Compatible), classified under Improper Verification of Cryptographic Signature. CVSS score: 8.7/10. Published 2025-08-14.
- How severe is CVE-2025-40758?
- High severity. CVSS v3 base score is 8.7 out of 10.
- Is CVE-2025-40758 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.