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.
Published: 2021-09-27
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

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


Vendor 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

Tracking

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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.
History

No history.

Subscriptions

Phoenixcontact Axc F 1152 Axc F 1152 Firmware Axc F 2152 Axc F 2152 Firmware Axc F 2152 Starterkit Axc F 2152 Starterkit Firmware Axc F 3152 Axc F 3152 Firmware Plcnext Technology Starterkit Plcnext Technology Starterkit Firmware Rfc 4072s Rfc 4072s Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

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

Reserved: 2021-06-10T00:00:00.000Z

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.

Weaknesses