Cyber Resilience

CVE-2024-3738

HighPublic PoC

Published: 13 April 2024

Published
13 April 2024
Modified
21 August 2025
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0006 19.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3738 is a high-severity Improper Certificate Validation (CWE-295) vulnerability in Cym1102 Nginxwebui. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 19.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability classified as critical has been found in cym1102 nginxWebUI up to 3.9.9. This affects the function handlePath of the file /adminPage/conf/saveCmd. The manipulation of the argument nginxPath leads to improper certificate validation. It is possible to initiate the…

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attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260577 was assigned to this vulnerability.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Unauthenticated remote exploitation of public-facing web application (nginxWebUI) via parameter manipulation in /adminPage/conf/saveCmd, leading to improper certificate validation (CWE-295).

Affected Assets

cym1102
nginxwebui
≤ 4.2.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References