What the vulnerability does

01Description

A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions.

Key dates

02Disclosure timeline

March 15, 2021 CVE published
August 4, 2024 Record updated