CVE-2021-20987 HIGH

CVE-2021-20987: Hilscher: EtherNet/IP stack crash for specific CIP service

Vendor Hilscher
Product EtherNet/IP Core V2
Weakness CWE-787
Published February 16, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 16, 2021 CVE published
September 16, 2024 Record updated