CVSS 3.1 Score 8.6 of 10 (high)


Published Jan 31, 2024
Updated: Feb 8, 2024
CWE ID 119


CVE-2024-21916 is a denial-of-service vulnerability found in specific Rockwell Automation ControlLogix and GuardLogix controllers. Exploiting this vulnerability could result in a major nonrecoverable fault (MNRF) and cause the affected device to restart itself. The base severity of this vulnerability is rated as HIGH, with an exploitability score of 3.9 out of 10. It is categorized as CWE-119, which refers to the improper restriction of operations within the bounds of a memory buffer. The potential danger this vulnerability poses to an organization is the disruption of critical systems and processes controlled by these controllers, leading to potential downtime and loss of productivity. To remediate this vulnerability, it is recommended to apply the necessary security patches or updates provided by Rockwell Automation.

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