CVE-2023-43623

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-10 · updated 2026-06-17
Weakness: CWE-203

Description

A vulnerability has been identified in Mendix Forgot Password (Mendix 10 compatible) (All versions < V5.4.0), Mendix Forgot Password (Mendix 7 compatible) (All versions < V3.7.3), Mendix Forgot Password (Mendix 8 compatible) (All versions < V4.1.3), Mendix Forgot Password (Mendix 9 compatible) (All versions < V5.4.0). Applications using the affected module are vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.

Affected products

Siemens Mendix Forgot Password Appstore module: before 3.7.3; from 4.0.0 before 4.1.3; from 5.0.0 before 5.4.0 — fixed in 3.7.3, 4.1.3, 5.4.0

How to fix

Upgrade to a fixed version: Siemens Mendix Forgot Password Appstore module 3.7.3, 4.1.3, 5.4.0. Check the vendor advisory for mitigations.

References

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