Buffer overflow in Rockwell Automation Controllogix® 5570
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.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Rockwell Automation Controllogix® 5570 — versions 20.011
- Rockwell Automation Controllogix® 5570 Redundant — versions 20.054_kit1
- Rockwell Automation Guardlogix® 5570 — versions 20.011
- Rockwellautomation Controllogix_5570_controller
- Rockwellautomation Controllogix_5570_controller_firmware — versions 20.011
- Rockwellautomation Controllogix_5570_redundant_controller
- Rockwellautomation Controllogix_5570_redundant_controller_firmware — versions 20.054_kit1
- Rockwellautomation Guardlogix_5570_controller
- Rockwellautomation Guardlogix_5570_controller_firmware — versions 20.011
Weakness classification (CWE)
References
- PSIRT@rockwellautomation.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21916?
- CVE-2024-21916 is a high-severity vulnerability in Rockwell Automation Controllogix® 5570, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2024-01-31.
- How severe is CVE-2024-21916?
- High severity. CVSS v3 base score is 8.6 out of 10.