CVE-2021-21003

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-404

Affected software

No affected versions have been published.

Timeline

Published: Jun 25, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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