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

Quick assessment

Affected
Belden Hirschmann HiSecOS EAGLE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Belden HiSecOS是美国百通（Belden）公司的一套用于工业安全路由器的操作系统。 Belden HiSecOS 04.1.00之前版本存在安全漏洞，该漏洞源于向Web服务器发送特制数据包时存在权限提升漏洞，可能导致具有操作员或审计员角色的用户提升至管理员角色。

CVSS 8.8 · High EPSS 0.27% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
Belden Hirschmann HiSecOS EAGLE 03.4.00≤ 04.1.00 affected
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I. Basic Information for CVE-2023-7342

Vulnerability Information
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Vulnerability Title
Belden HiSecOS Web Server Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Belden HiSecOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden HiSecOS是美国百通（Belden）公司的一套用于工业安全路由器的操作系统。 Belden HiSecOS 04.1.00之前版本存在安全漏洞，该漏洞源于向Web服务器发送特制数据包时存在权限提升漏洞，可能导致具有操作员或审计员角色的用户提升至管理员角色。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Belden Hirschmann HiSecOS EAGLE 03.4.00 ~ 04.1.00 -

II. Public POCs for CVE-2023-7342

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III. Intelligence Information for CVE-2023-7342

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Vendor Advisories for CVE-2023-7342 (1)

Same Patch Batch · Belden · 2026-04-02 · 6 CVEs total

CVE-2024-14034 9.8 CRITICAL Hirschmann HiEOS Authentication Bypass via HTTP Management Module
CVE-2025-15620 8.6 HIGH HiOS Switch Platform Denial-of-Service via Web Interface
CVE-2023-7343 7.8 HIGH Belden Industrial HiVision Arbitrary Code Execution via Malicious Project File
CVE-2024-14033 7.5 HIGH Hirschmann EagleSDV Denial of Service via TLS
CVE-2022-4986 7.5 HIGH Hirschmann EagleSDV Denial of Service via TLS

IV. Related Vulnerabilities

Same vendor: Belden
Same weakness: CWE-269

V. Comments for CVE-2023-7342

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