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CVE-2018-25236— Hirschmann HiOS HiSecOS Authentication Bypass via HTTP Management

Quick assessment

Affected
Belden Hirschmann HiOS
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 Hirschmann HiOS和Belden Hirschmann HiSecOS都是美国Belden公司的产品。Belden Hirschmann HiOS是一个工业以太网交换机操作系统。Belden Hirschmann HiSecOS是一个工业网络安全设备操作系统。 Belden Hirschmann HiOS和Belden Hirschmann HiSecOS存在授权问题漏洞，该漏洞源于HTTP(S)管理模块身份验证绕过，可能导致未经身份验证的远程攻击者通过特制HTTP请求获得管理访

CVSS 9.8 · Critical EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 8

VendorProduct Version RangeStatus
Belden Hirschmann HiOS ≤ 05.07 affected
≤ 06.1.04 affected
≤ 06.2.00 affected
06.1.05 unaffected
07.0.00 unaffected
03.1.00 unaffected
Belden Hirschmann HiSecOS EAGLE ≤ 03.00.02 affected
03.0.03 unaffected
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I. Basic Information for CVE-2018-25236

Vulnerability Information
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Vulnerability Title
Hirschmann HiOS HiSecOS Authentication Bypass via HTTP Management
Source: CVE Program / CVE List V5
Vulnerability Description
Hirschmann HiOS and HiSecOS products RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by crafting specially formed HTTP requests. Attackers can exploit improper authentication handling to obtain the authentication status and privileges of a previously authenticated user without providing valid credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Belden Hirschmann HiOS和Belden Hirschmann HiSecOS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden Hirschmann HiOS和Belden Hirschmann HiSecOS都是美国Belden公司的产品。Belden Hirschmann HiOS是一个工业以太网交换机操作系统。Belden Hirschmann HiSecOS是一个工业网络安全设备操作系统。 Belden Hirschmann HiOS和Belden Hirschmann HiSecOS存在授权问题漏洞，该漏洞源于HTTP(S)管理模块身份验证绕过，可能导致未经身份验证的远程攻击者通过特制HTTP请求获得管理访
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Belden Hirschmann HiOS 0 ~ 05.07 -
Belden Hirschmann HiSecOS EAGLE 0 ~ 03.00.02 -

II. Public POCs for CVE-2018-25236

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III. Intelligence Information for CVE-2018-25236

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Vendor Advisories for CVE-2018-25236 (1)

Same Patch Batch · Belden · 2026-04-03 · 11 CVEs total

CVE-2017-20237 9.8 CRITICAL Hirschmann Industrial HiVision Authentication Bypass Remote Code Execution
CVE-2018-25237 9.8 CRITICAL Hirschmann HiSecOS Buffer Overflow via HTTPS Login
CVE-2017-20234 9.8 CRITICAL GarrettCom Magnum 6K and 10K Authentication Bypass via Hardcoded String
CVE-2021-4477 9.1 CRITICAL Hirschmann HiLCOS OpenBAT BAT450 IPv6 IPsec Firewall Bypass
CVE-2015-10148 8.2 HIGH Hirschmann HiLCOS Hard-coded Credentials SSH SSL Keys
CVE-2016-15058 8.1 HIGH Hirschmann HiLCOS Classic Platform Password Exposure via SNMP
CVE-2020-37216 7.5 HIGH Hirschmann HiOS EtherNet/IP Stack Denial of Service
CVE-2022-4987 7.3 HIGH Hirschmann Industrial HiVision External Application Path Hijacking Leading to Arbitrary Co
CVE-2017-20238 7.1 HIGH Hirschmann Industrial HiVision Improper Authorization Privilege Escalation
CVE-2017-20233 5.4 MEDIUM Hirschmann HiLCOS Layer-2 Firewall Multicast Broadcast Traffic Bypass

IV. Related Vulnerabilities

Same product: Hirschmann HiOS
Same vendor: Belden
Same weakness: CWE-287

V. Comments for CVE-2018-25236

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