Auth bypass in Mendix Saml
CVE-2023-29129
A vulnerability has been identified in 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), Mendix SAML (Mendix 8 compatible) (All versions >= V2.2.0 < V2.3.0), Mendix SAML (Mendix 9 latest compatible, New Track) (All versions >= V3.3.1 < V3.6.1), Mendix SAML (Mendix 9 latest compatible, New Track) (All versions >= V3.1.9 < V3.3.1), Mendix SAML (Mendix 9 latest compatible, Upgrade Track) (All versions >= V3.3.0 < V3.6.0), Mendix SAML (Mendix 9 latest compatible, Upgrade Track) (All versions >= V3.1.8 < V3.3.0), Mendix SAML (Mendix 9.12/9.18 compatible, New Track) (All versions >= V3.3.1 < V3.3.15), Mendix SAML (Mendix 9.12/9.18 compatible, Upgrade Track) (All versions >= V3.3.0 < V3.3.14), Mendix SAML (Mendix 9.6 compatible, New Track) (All versions >= V3.1.9 < V3.2.7), Mendix SAML (Mendix 9.6 compatible, Upgrade Track) (All versions >= V3.1.8 < V3.2.6). The affected versions of the module insufficiently verify the SAML assertions. This could allow unauthenticated remote attackers to bypass authentication and get access to the application. This CVE entry describes the incomplete fix for CVE-2023-25957 in a specific non default configuration.
EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Mendix Saml
- Siemens Mendix Saml (Mendix 7 Compatible) — versions All versions >= V1.17.3 < V1.18.0, All versions >= V1.16.4 < V1.17.3
- Siemens Mendix Saml (Mendix 8 Compatible) — versions All versions >= V2.3.0 < V2.4.0, All versions >= V2.2.0 < V2.3.0
- Siemens Mendix Saml (Mendix 9.12/9.18 Compatible, New Track) — versions All versions >= V3.3.1 < V3.3.15
- Siemens Mendix Saml (Mendix 9.12/9.18 Compatible, Upgrade Track) — versions All versions >= V3.3.0 < V3.3.14
- Siemens Mendix Saml (Mendix 9.6 Compatible, New Track) — versions All versions >= V3.1.9 < V3.2.7
- Siemens Mendix Saml (Mendix 9.6 Compatible, Upgrade Track) — versions All versions >= V3.1.8 < V3.2.6
- Siemens Mendix Saml (Mendix 9 Latest Compatible, New Track) — versions All versions >= V3.3.1 < V3.6.1, All versions >= V3.1.9 < V3.3.1
- Siemens Mendix Saml (Mendix 9 Latest Compatible, Upgrade Track) — versions All versions >= V3.3.0 < V3.6.0, All versions >= V3.1.8 < V3.3.0
Weakness classification (CWE)
References
- productcert@siemens.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-29129?
- CVE-2023-29129 is a critical-severity vulnerability in Mendix Saml, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 9.1/10. Published 2023-06-13.
- How severe is CVE-2023-29129?
- Critical severity. CVSS v3 base score is 9.1 out of 10.