CVE-2021-20987

high

Description

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.

References

https://kb.hilscher.com/pages/viewpage.action?pageId=108969480

https://cert.vde.com/en-us/advisories/vde-2021-007

Details

Source: Mitre, NVD

Published: 2021-02-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 8.6

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