Security Advisory
CVE-2020-22552
7.5
HIGH
Vulnerability Description
The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.
Published Date
October 28, 2020
Official Source
NIST NVD Advisory