CVE-2022-34466

A vulnerability has been identified in Mendix Applications using Mendix 9 (All versions >= V9.11 < V9.15), Mendix Applications using Mendix 9 (V9.12) (All versions < V9.12.3). An expression injection vulnerability was discovered in the Workflow subsystem of Mendix Runtime, that can affect the running applications. The vulnerability could allow a malicious user to leak sensitive information in a certain configuration.

Weakness

The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

Affected Software

Potential Mitigations

• If user-controlled data must be added to an expression interpreter, one or more of the following should be performed:

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-492173.pdf