Insufficient SAML Assertion Verification in Mendix Products
CVE-2023-29129

9.8CRITICAL

Key Information:

Vendor

Siemens
Status
Mendix SAML (Mendix 7 compatible)
Mendix SAML (Mendix 8 compatible)
Mendix SAML (Mendix 9 latest compatible, New Track)
Mendix SAML (Mendix 9 latest compatible, Upgrade Track)
Vendor
CVE Published:
13 June 2023

What is CVE-2023-29129?

A vulnerability has been identified in various versions of Mendix SAML products, where insufficient verification of SAML assertions may allow unauthenticated remote attackers to bypass authentication mechanisms. This may result in unauthorized access to applications relying on these SAML integrations. This issue also reflects an incomplete fix for a previous vulnerability, necessitating immediate attention to ensure the security of applications utilizing these specific Mendix SAML versions.

Affected Version(s)

Mendix SAML (Mendix 7 compatible) All versions >= V1.17.3 < V1.18.0

Mendix SAML (Mendix 7 compatible) All versions >= V1.16.4 < V1.17.3

Mendix SAML (Mendix 8 compatible) All versions >= V2.3.0 < V2.4.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-85188...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2023-29129 : Insufficient SAML Assertion Verification in Mendix Products