CVE-2021-21003 MEDIUM

CVE-2021-21003: Denial of Service Vulnerability in Phoenix Contact FL SWITCH SMCS series products

Vendor Phoenix Contact
Product FL SWITCH
Weakness CWE-404
Published June 25, 2021
Last update September 17, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 25, 2021 CVE published
September 17, 2024 Record updated