CVE-2024-14034

CRITICAL EPSS 36.3%

Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago

9.3 CVSS 4.0

Critical

Published Apr 2, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

Description

Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

36.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

References 2

assets.belden.com https://assets.belden.com/m/7ec5c6da25ef288/original/Belden_Security_Bulletin_BSECV-2024-02_1v0.pdf
vulncheck.com https://www.vulncheck.com/advisories/hirschmann-hieos-authentication-bypass-via-http-management-module

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.