CVE-2023-7342 HIGH

CVE-2023-7342: Belden HiSecOS Web Server Privilege Escalation

Vendor Belden
Product Hirschmann HiSecOS EAGLE
Weakness CWE-269
Published April 2, 2026
Last update May 14, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.

Key dates

02Disclosure timeline

April 2, 2026 CVE published
May 14, 2026 Record updated