What is the CVSS score of CVE-2021-34570?

CVE-2021-34570 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2021-34570?

Yes, a patch is available for CVE-2021-34570. Update the affected software to the latest version immediately.

Plcnext Technology Starterkit Firmware CVE-2021-34570

HIGH

Improper Input Validation (CWE-20)

2021-09-27 info@cert.vde.com

Information Disclosure Plcnext Technology Starterkit Firmware Axc F 2152 Starterkit Firmware Rfc 4072S Firmware Axc F 3152 Firmware Axc F 1152 Firmware Axc F 2152 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 27, 2021 - 09:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-20. 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 products include: Phoenixcontact Plcnext Technology Starterkit Firmware, Phoenixcontact Axc F 2152 Starterkit Firmware, Phoenixcontact Rfc 4072S Firmware, Phoenixcontact Axc F 3152 Firmware, Phoenixcontact Axc F 1152 Firmware. Version information: prior to 2021.0.5.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.