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Fencer Vulns
medium 5.3

CVE-2023-43623 json

A vulnerability has been identified in Mendix Forgot Password (Mendix 10 compatible) (All versions < V5.4.0), Mendix Forgot Password (Mendi…

published 2023-10-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48023

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

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.

Patch / fix

  • mendix forgot_password 3.7.3, 4.1.3, 5.4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-285-11 updated cvss 5.3

Siemens Mendix Forgot Password Module

  • Siemens Mendix Forgot Password (Mendix 7 compatible) <V3.7.3
    affected: fixed in V3.7.3 marketplace.mendix.com
  • Siemens Mendix Forgot Password (Mendix 8 compatible) <V4.1.3
    affected: fixed in V4.1.3 marketplace.mendix.com
  • Siemens Mendix Forgot Password (Mendix 9 compatible) <V5.4.0 Siemens Mendix Forgot Password (Mendix 10 compatible) <V5.4.0
    affected: fixed in V5.4.0 marketplace.mendix.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 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
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Siemens Mendix Forgot Password (Mendix 10 compatible)
  • Siemens Mendix Forgot Password (Mendix 7 compatible)
  • Siemens Mendix Forgot Password (Mendix 8 compatible)
  • Siemens Mendix Forgot Password (Mendix 9 compatible)

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.