CVE-2021-21777 HIGH

CVE-2021-21777

Vendor N/A
Product EIP Stack Group
Published June 17, 2021
Last update August 3, 2024

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

What the vulnerability does

01Description

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.

Key dates

02Disclosure timeline

June 17, 2021 CVE published
August 3, 2024 Record updated