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CVE-2022-3157

HIGHCVSS 7.5/10EPSS 1.43%

Last modified

CVE-2022-3157 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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). . EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.43%

69.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationCompactlogix 5370 Firmware>= 20, <= 33
RockwellautomationCompact Guardlogix 5370 Firmware>= 28, <= 33
RockwellautomationCompact Guardlogix 5380 Firmware>= 28, <= 33
RockwellautomationControllogix 5570 Firmware>= 20, <= 33
RockwellautomationControllogix 5570 Redundancy Firmware>= 20, <= 33
RockwellautomationGuardlogix 5570 Firmware>= 20, <= 33

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-3157?
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).
How severe is CVE-2022-3157?
CVE-2022-3157 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3157?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3157?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST