CVE-2020-13556 CRITICAL

CVE-2020-13556

Vendor N/A
Product EIP Stack Group
Weakness CWE-787
Published December 11, 2020
Last update August 4, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

Key dates

02Disclosure timeline

December 11, 2020 CVE published
August 4, 2024 Record updated