What is the CVSS score of CVE-2022-3157?

CVE-2022-3157 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: 1.4%.

Compactlogix 5370 Firmware CVE-2022-3157

HIGH

Improper Input Validation (CWE-20)

2022-12-16 PSIRT@rockwellautomation.com

Information Disclosure Rockwell Compactlogix 5370 Firmware Compact Guardlogix 5370 Firmware Compact Guardlogix 5380 Firmware Controllogix 5570 Firmware Controllogix 5570 Redundancy Firmware Guardlogix 5570 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

Dec 16, 2022 - 21:15 nvd

HIGH 7.5

DescriptionNVD

A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).

AnalysisAI

A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS). Affected products include: Rockwellautomation Compactlogix 5370 Firmware, Rockwellautomation Compact Guardlogix 5370 Firmware, Rockwellautomation Compact Guardlogix 5380 Firmware, Rockwellautomation Controllogix 5570 Firmware, Rockwellautomation Controllogix 5570 Redundancy Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.