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.
History

Fri, 03 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 03 Apr 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Belden
Belden hirschmann Hieos
Vendors & Products Belden
Belden hirschmann Hieos

Thu, 02 Apr 2026 23:00:00 +0000

Type Values Removed Values Added
Description Hirschmann HiEOS devices 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. 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.

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
Description Hirschmann HiEOS devices 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.
Title Hirschmann HiEOS Authentication Bypass via HTTP Management Module
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-04-02T20:01:23.748Z

Updated: 2026-04-03T13:41:18.277Z

Reserved: 2026-04-01T21:21:41.800Z

Link: CVE-2024-14034

cve-icon Vulnrichment

Updated: 2026-04-03T13:39:35.339Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-02T20:16:19.943

Modified: 2026-04-03T16:10:23.730

Link: CVE-2024-14034

cve-icon Redhat

No data.