Security Advisory
CVE-2021-21005
7.5
HIGH
Vulnerability Description
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.
Published Date
June 25, 2021
Official Source
NIST NVD Advisory