VulnerabilityModified

CVE-2024-21916

A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers.

HIGH 7.5EPSS 0.65%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.65% probability · 49th percentile
CISA KEV: Not listed
Weakness: CWE-119
Affected: rockwellautomation/controllogix 5570 controller firmware · rockwellautomation/guardlogix 5570 controller firmware · rockwellautomation/controllogix 5570 redundant controller firmware
Source: PSIRT@rockwellautomation.com

References

https://www.rockwellautomation.com/en-us/support/advisory.SD1661.htmlVendor Advisory
https://www.rockwellautomation.com/en-us/support/advisory.SD1661.htmlVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.