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CVE-2024-21916

HIGHCVSS 7.5/10EPSS 0.65%

Last modified

CVE-2024-21916 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). The device will restart itself to recover from the MNRF.

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
0.65%

46.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationControllogix 5570 Controller Firmware20.011
RockwellautomationGuardlogix 5570 Controller Firmware20.011
RockwellautomationControllogix 5570 Redundant Controller Firmware20.054_kit1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-21916?
A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). The device will restart itself to recover from the MNRF.
How severe is CVE-2024-21916?
CVE-2024-21916 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21916?
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-2024-21916?

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

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Source: NVD / NIST