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CVE-2021-33712

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-08 · updated 2026-06-17
• Weakness: CWE-345

Description

A vulnerability has been identified in Mendix SAML Module (All versions < V2.1.2). The configuration of the SAML module does not properly check various restrictions and validations imposed by an identity provider. This could allow a remote authenticated attacker to escalate privileges.

Affected products

• Siemens Mendix SAML Module: before 2.1.2 — fixed in 2.1.2

How to fix

Upgrade to a fixed version: Siemens Mendix SAML Module 2.1.2. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-522654.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-522654.pdf

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