CVE-2021-34570

published 2021-09-27

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.

Priority P3 38 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
phoenix_contact	axc_f	>= AXC F 1152 (1151412) < 2021.0.5 LTS	2021.0.5 LTS
phoenix_contact	axc_f	>= AXC F 2152 (2404267) < 2021.0.5 LTS	2021.0.5 LTS
phoenix_contact	axc_f	>= AXC F 2152 Starterkit (1046568) < 2021.0.5 LTS	2021.0.5 LTS
phoenix_contact	axc_f	>= AXC F 3152 (1069208) < 2021.0.5 LTS	2021.0.5 LTS
phoenix_contact	plcnext	>= PLCnext Technology Starterkit (1188165) < 2021.0.5 LTS	2021.0.5 LTS
phoenix_contact	rfc	>= RFC 4072S (1051328) < 2021.0.5 LTS	2021.0.5 LTS
phoenixcontact	axc_f_1152_firmware	< 2021.0.5	2021.0.5
phoenixcontact	axc_f_2152_firmware	< 2021.0.5	2021.0.5
phoenixcontact	axc_f_2152_starterkit_firmware	< 2021.0.5	2021.0.5
phoenixcontact	axc_f_3152_firmware	< 2021.0.5	2021.0.5
phoenixcontact	plcnext_technology_starterkit_firmware	< 2021.0.5	2021.0.5
phoenixcontact	rfc_4072s_firmware	< 2021.0.5	2021.0.5

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 7.8 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C

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CWE-20