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TI-2023-23351 Aliases CVE-2023-43623GHSA-7953-vwv9-3rqv

Observable discrepancy in Siemens Mendix Forgot Password

Priority LOW 31CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-203.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00683 52nd percentileScored 2026-11-07
Fix Fixed Mendix Forgot Password (Mendix 10 compatible) (Siemens): V5.4.0Mendix Forgot Password (Mendix 7 compatible) (Siemens): V3.7.3+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensMendix Forgot Password (Mendix 10 compatible)before V5.4.0V5.4.0Patch availableCNA
SiemensMendix Forgot Password (Mendix 7 compatible)before V3.7.3V3.7.3Patch availableCNA
SiemensMendix Forgot Password (Mendix 8 compatible)before V4.1.3V4.1.3Patch availableCNA
SiemensMendix Forgot Password (Mendix 9 compatible)before V5.4.0V5.4.0Patch availableCNA
  • Mendix Forgot Password (Mendix 10 compatible) VendorSiemens Affected before V5.4.0 Fixed in V5.4.0 Patch available CNA
  • Mendix Forgot Password (Mendix 7 compatible) VendorSiemens Affected before V3.7.3 Fixed in V3.7.3 Patch available CNA
  • Mendix Forgot Password (Mendix 8 compatible) VendorSiemens Affected before V4.1.3 Fixed in V4.1.3 Patch available CNA
  • Mendix Forgot Password (Mendix 9 compatible) VendorSiemens Affected before V5.4.0 Fixed in V5.4.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mendix:forgot_password:*:*:*:*:*:*:*:*before 3.7.3; 4.0.0 to before 4.1.3; 5.0.0 to before 5.4.0VulnerableMendix
  • cpe:2.3:a:mendix:forgot_password:*:*:*:*:*:*:*:* Versions before 3.7.3; 4.0.0 to before 4.1.3; 5.0.0 to before 5.4.0 Vulnerable ·Mendix

Remediation

  • Fix · CNA Mendix Forgot Password (Mendix 10 compatible) (Siemens) Fixed in V5.4.0
  • Fix · CNA Mendix Forgot Password (Mendix 7 compatible) (Siemens) Fixed in V3.7.3
  • Fix · CNA Mendix Forgot Password (Mendix 8 compatible) (Siemens) Fixed in V4.1.3
  • Fix · CNA Mendix Forgot Password (Mendix 9 compatible) (Siemens) Fixed in V5.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43623
  2. 2026-10-03 Alias added: GHSA-7953-vwv9-3rqv
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences