CVE-2021-34570 HIGH

CVE-2021-34570: Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS

Vendor Phoenix Contact
Product AXC F
Weakness CWE-20 · Input validation
Published September 27, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

7.5/10
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:H

What the vulnerability does

01Description

Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.

Key dates

02Disclosure timeline

September 27, 2021 CVE published
September 16, 2024 Record updated