High severity · published Aug 14, 2025
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…
8.7
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mendix SAML (Mendix 10.12 compatible) · Siemens
before V4.0.3 · source: vendor
MS
Mendix SAML (Mendix 10.21 compatible) · Siemens
before V4.1.2 · source: vendor
MS
Mendix SAML (Mendix 9.24 compatible) · Siemens
before V3.6.21 · source: vendor
Affected product
MS
Mendix SAML (Mendix 10.12 compatible)
Siemens