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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (49.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
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
- www.rockwellautomation.com/en-us/support/advisory.SD1661.html (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.