CVE-2021-34570

Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS

State: Published
Severity: 7.5 High
Published: Sep 27, 2021
Updated: Sep 16, 2024
Reserved: Jun 10, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CERTVDE

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
AXC FPhoenix Contact	AXC F 1152 (1151412) to before 2021.0.5 LTSAffected AXC F 2152 (2404267) to before 2021.0.5 LTSAffected AXC F 3152 (1069208) to before 2021.0.5 LTSAffected AXC F 2152 Starterkit (1046568) to before 2021.0.5 LTSAffected
RFCPhoenix Contact	RFC 4072S (1051328) to before 2021.0.5 LTSAffected
PLCnextPhoenix Contact	PLCnext Technology Starterkit (1188165) to before 2021.0.5 LTSAffected

References

https://cert.vde.com/en/advisories/VDE-2021-029/

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