CVE-2020-37216
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Belden | Hirschmann HiOS | >= 08.1.00 | unaffected |
| Belden | Hirschmann HiOS | >= 07.1.01 | unaffected |
| Belden | Hirschmann HiOS | 05.00.00 <= 08.0.00 | affected |
Weaknesses
- CWE-20: CWE-20 Improper Input Validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://assets.belden.com/m/3d3e2cbfa4860258/original/Belden-Security-Bulletin-BSECV-2019-14.pdf
- https://www.vulncheck.com/advisories/hirschmann-hios-ethernet-ip-stack-denial-of-service
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