Logix Controllers Vulnerable to Denial-of-Service Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vulnerability by performing multiple actions on certain web pages of the product causing the affected products to become fully unavailable and require a power cycle to recover.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rockwell | CompactLogix 5380 controllers | v33.011 < | — | No fix listed | CNA |
| Rockwell | Compact GuardLogix® 5380 controllers | v33.011< | — | No fix listed | CNA |
| Rockwell | CompactLogix 5480 controllers | v33.011< | — | No fix listed | CNA |
| Rockwell | GuardLogix 5580 controllers | v33.011< | — | No fix listed | CNA |
| Rockwell | 1756-EN4TR | v3.002 | — | No fix listed | CNA |
- CompactLogix 5380 controllers VendorRockwell Affected v33.011 < Fixed in — No fix listed CNA
- Compact GuardLogix® 5380 controllers VendorRockwell Affected v33.011< Fixed in — No fix listed CNA
- CompactLogix 5480 controllers VendorRockwell Affected v33.011< Fixed in — No fix listed CNA
- GuardLogix 5580 controllers VendorRockwell Affected v33.011< Fixed in — No fix listed CNA
- 1756-EN4TR VendorRockwell Affected v3.002 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:rockwellautomation:compactlogix_5380_firmware:*:*:*:*:*:*:*:* | 33.011 to before 33.015 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:compactlogix_5380:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rockwell |
| cpe:2.3:o:rockwellautomation:compact_guardlogix_5380_firmware:*:*:*:*:*:*:*:* | 33.011 to before 33.015 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:compact_guardlogix_5380:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rockwell |
| cpe:2.3:o:rockwellautomation:compactlogix_5480_firmware:*:*:*:*:*:*:*:* | 33.011 to before 33.015 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:compactlogix_5480:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rockwell |
| cpe:2.3:o:rockwellautomation:controllogix_5580_firmware:*:*:*:*:*:*:*:* | 33.011 to before 33.015 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:controllogix_5580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rockwell |
| cpe:2.3:o:rockwellautomation:guardlogix_5580_firmware:*:*:*:*:*:*:*:* | 33.011 to before 33.015 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:guardlogix_5580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rockwell |
- cpe:2.3:o:rockwellautomation:compactlogix_5380_firmware:*:*:*:*:*:*:*:* Versions 33.011 to before 33.015 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:compactlogix_5380:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
- cpe:2.3:o:rockwellautomation:compact_guardlogix_5380_firmware:*:*:*:*:*:*:*:* Versions 33.011 to before 33.015 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:compact_guardlogix_5380:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
- cpe:2.3:o:rockwellautomation:compactlogix_5480_firmware:*:*:*:*:*:*:*:* Versions 33.011 to before 33.015 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:compactlogix_5480:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
- cpe:2.3:o:rockwellautomation:controllogix_5580_firmware:*:*:*:*:*:*:*:* Versions 33.011 to before 33.015 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:controllogix_5580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
- cpe:2.3:o:rockwellautomation:guardlogix_5580_firmware:*:*:*:*:*:*:*:* Versions 33.011 to before 33.015 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:guardlogix_5580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-8626
- 2026-10-03 Alias added: GHSA-mf2q-g3w5-qq7r
References
More Rockwell 1756-en4tr Firmware vulnerabilities
- TI-2023-03356 Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service CVSS 3.1HIGH 7.5
- TI-2024-03258 Rockwell Automation ControlLogix and GaurdLogix Vulnerable to Major Nonrecoverable Fault Due to Invalid Header Value CVSS 3.1HIGH 8.6
- TI-2025-07328 Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability CVSS 4.0HIGH 7.1
- TI-2025-07327 Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability CVSS 4.0HIGH 7.1
Sources
- CVE-2024-8626 · CVE Program
- CVE-2024-8626 · NVD
- FIRST EPSS
- GHSA-mf2q-g3w5-qq7r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences