Security Advisory

CVE-2021-21005

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-06-25 18:25:53

Last updated 2024-09-17 02:17:13

Assigner CERTVDE

State PUBLISHED

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.

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