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.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-21220 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.
Fixes

Solution

Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0.5 LTS or higher which fixes this vulnerability.


Workaround

Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note: Measures to protect network-capable devices with Ethernet connection

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2024-09-16T22:09:31.616Z

Reserved: 2021-06-10T00:00:00

Link: CVE-2021-34570

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-27T09:15:07.750

Modified: 2024-11-21T06:10:43.373

Link: CVE-2021-34570

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.