CVE-2024-21916: guardlogix 5570 Buffer Overflow — Fix

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.

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CVSS v3.1 Score

8.6

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

Affected Products

Vendor	Product	Versions
rockwellautomation	controllogix_5570_controller_firmware	All
rockwellautomation	controllogix_5570_controller	All
rockwellautomation	guardlogix_5570_controller_firmware	All
rockwellautomation	guardlogix_5570_controller	All
rockwellautomation	controllogix_5570_redundant_controller_firmware	All
rockwellautomation	controllogix_5570_redundant_controller	All

References

Advisories & Patches

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

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. It has a CVSS v3.1 base score of 8.6 (HIGH).

How severe is CVE-2024-21916? +

CVE-2024-21916 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21916? +

CVE-2024-21916 affects products from rockwellautomation, specifically: controllogix_5570_controller, controllogix_5570_controller_firmware, controllogix_5570_redundant_controller, controllogix_5570_redundant_controller_firmware, guardlogix_5570_controller, guardlogix_5570_controller_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21916? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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