CVE-2023-43623

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.

Published: 2023-10-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-43623 is rated Low Risk (35.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.51%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-43623

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 0.51% +0.28%
2 2025-11-21 0.11% 0.23% +0.12%
3 2025-11-18 0.11%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-43623

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2023-43623

Affected software / configurations for CVE-2023-43623

Vendor Product Version Raw CPE
mendix forgot_password < 3.7.3 cpe:2.3:a:mendix:forgot_password:*:*:*:*:*:*:*:*
mendix forgot_password >= 4.0.0, < 4.1.3 cpe:2.3:a:mendix:forgot_password:*:*:*:*:*:*:*:*
mendix forgot_password >= 5.0.0, < 5.4.0 cpe:2.3:a:mendix:forgot_password:*:*:*:*:*:*:*:*

References for CVE-2023-43623

cvelogic Threat Intelligence