Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2020-37216— Hirschmann HiOS EtherNet/IP Stack Denial of Service

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是美国Belden公司的一个工业以太网交换机操作系统。 Belden Hirschmann HiOS 08.1.00之前版本和07.1.01之前版本存在输入验证错误漏洞，该漏洞源于EtherNet/IP栈中数据包长度字段处理不当，可能导致远程拒绝服务攻击。

CVSS 7.5 · High EPSS 0.92% · P59

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 3

VendorProduct Version RangeStatus
Belden Hirschmann HiOS >= 08.1.00 unaffected
>= 07.1.01 unaffected
05.00.00≤ 08.0.00 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-37216

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Hirschmann HiOS EtherNet/IP Stack Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Hirschmann HiOS devices versions prior to 08.1.00 and 07.1.01 contain a denial of service vulnerability in the EtherNet/IP stack where improper handling of packet length fields allows remote attackers to crash or hang the device. Attackers can send specially crafted UDP EtherNet/IP packets with a length value larger than the actual packet size to render the device inoperable.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Belden Hirschmann HiOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden Hirschmann HiOS是美国Belden公司的一个工业以太网交换机操作系统。 Belden Hirschmann HiOS 08.1.00之前版本和07.1.01之前版本存在输入验证错误漏洞，该漏洞源于EtherNet/IP栈中数据包长度字段处理不当，可能导致远程拒绝服务攻击。
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 HiOS >= 08.1.00 -

II. Public POCs for CVE-2020-37216

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-37216

请登录查看更多情报信息。

Vendor Advisories for CVE-2020-37216 (2)

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-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-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-20

V. Comments for CVE-2020-37216

No comments yet

Leave a comment