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CVE-2017-20234— GarrettCom Magnum 6K and 10K Authentication Bypass via Hardcoded String

Quick assessment

Affected
Belden GarrettCom Magnum 6K and 10K Managed Switches
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 GarrettCom Magnum 6K和Belden GarrettCom Magnum 10K都是美国Belden公司的一款模块化工业以太网交换机。 Belden GarrettCom Magnum 6K和Belden GarrettCom Magnum 10K存在信任管理问题漏洞，该漏洞源于身份验证机制中存在硬编码字符串，可能导致未经身份验证的攻击者绕过登录控制，从而访问管理功能和敏感交换机配置。

CVSS 9.8 · Critical EPSS 0.46% · P39

Possible ATT&CK Techniques 1 AI

T1198
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I. Basic Information for CVE-2017-20234

Vulnerability Information
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Vulnerability Title
GarrettCom Magnum 6K and 10K Authentication Bypass via Hardcoded String
Source: CVE Program / CVE List V5
Vulnerability Description
GarrettCom Magnum 6K and 10K managed switches contain an authentication bypass vulnerability that allows unauthenticated attackers to gain unauthorized access by exploiting a hardcoded string in the authentication mechanism. Attackers can bypass login controls to access administrative functions and sensitive switch configuration without 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
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Belden GarrettCom Magnum 6K和Belden GarrettCom Magnum 10K 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden GarrettCom Magnum 6K和Belden GarrettCom Magnum 10K都是美国Belden公司的一款模块化工业以太网交换机。 Belden GarrettCom Magnum 6K和Belden GarrettCom Magnum 10K存在信任管理问题漏洞，该漏洞源于身份验证机制中存在硬编码字符串，可能导致未经身份验证的攻击者绕过登录控制，从而访问管理功能和敏感交换机配置。
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 GarrettCom Magnum 6K and 10K Managed Switches 0 ~ 4.6.0 -

II. Public POCs for CVE-2017-20234

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III. Intelligence Information for CVE-2017-20234

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Vendor Advisories for CVE-2017-20234 (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-2018-25236 9.8 CRITICAL Hirschmann HiOS HiSecOS Authentication Bypass via HTTP Management
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 vendor: Belden
Same weakness: CWE-798

V. Comments for CVE-2017-20234

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