CVE Vulnerability

CVE-2021-34570

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cert.vde.com/en/advisories/VDE-2021-029/ Patch Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-09-27 09:15

Updated : 2022-07-28 10:40

NVD link : CVE-2021-34570

Mitre link : CVE-2021-34570

Products Affected

Axc F 2152 Starterkit Firmware

Phoenixcontact

CWE
CWE-20