CVE-2021-20987

Hilscher: EtherNet/IP stack crash for specific CIP service

CVSS 8.6 HIGHEPSS 1.1%CWE-787

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Feb 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A denial of service and memory corruption vulnerability was found in Hilscher EtherNet/IP Core V2 prior to V2.13.0.21that may lead to code injection through network or make devices crash without recovery.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected products

Hilscher · EtherNet/IP Core V2 Pepper+Fuchs · PCV/PXV/PGV Pepper+Fuchs · WCS

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References

https://cert.vde.com/en-us/advisories/vde-2021-007 https://kb.hilscher.com/pages/viewpage.action?pageId=108969480