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.
References
Link Resource
https://cert.vde.com/en-us/advisories/vde-2021-023 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-06-23T00:00:00

Updated: 2021-06-25T18:25:53

Reserved: 2020-12-17T00:00:00


Link: CVE-2021-21005

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-06-25T19:15:08.797

Modified: 2021-07-01T23:56:53.083


Link: CVE-2021-21005

JSON object: View

cve-icon Redhat Information

No data.

CWE