Improper input validation in Rockwell Automation 1756-En4tr
CVE-2024-3493
A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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 (48.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% 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 1756-En4tr — versions v5.001
- Rockwell Automation Compactlogix 5380 — versions v5.001
- Rockwell Automation Controllogix 5580 — versions v35.011
- Rockwell Automation Guardlogix 5580 — versions v35.011
- Rockwellautomation 1756-En4tr
- Rockwellautomation 1756-En4tr Firmware — versions 5.001
- Rockwellautomation Compact Guardlogix 5380
- Rockwellautomation Compact Guardlogix 5380 Firmware — versions 35.011
- Rockwellautomation Compactlogix 5380
- Rockwellautomation Compactlogix 5380 Firmware — versions 35.011
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-3493?
- CVE-2024-3493 is a high-severity vulnerability in Rockwell Automation 1756-En4tr, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2024-04-15.
- How severe is CVE-2024-3493?
- High severity. CVSS v3 base score is 8.6 out of 10.