CVE-2020-37216 is a denial of service vulnerability affecting Hirschmann HiOS devices prior to versions 08.1.00 and 07.1.01, stemming from improper handling of EtherNet/IP packet length fields. This allows unauthenticated remote attackers to send specially crafted UDP EtherNet/IP packets, causing the device to crash or become inoperable. Rated with a CVSS score of 7.5 (High), the vulnerability has a low attack complexity and significant impact on availability. Currently, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and its EPSS score is very low, indicating minimal active exploitation or widespread community attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 05.00.00, <= 08.0.00CPE match | cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.