Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC…
Priority LOW 38CWE-16Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platform, when Static status is not enabled, allow remote attackers to cause a denial of service via messages that trigger modification of status bits.
Why it matters now
EPSS 0.0405 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:* | 1100 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1200:*:*:*:*:*:*:* | 1200 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1400:*:*:*:*:*:*:* | 1400 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1500:*:*:*:*:*:*:* | 1500 | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:plc-5_controller:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Rockwell |
| cpe:2.3:h:rockwellautomation:slc_500_controller:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Rockwell |
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:* Versions 1100 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1200:*:*:*:*:*:*:* Versions 1200 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1400:*:*:*:*:*:*:* Versions 1400 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1500:*:*:*:*:*:*:* Versions 1500 Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:plc-5_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Rockwell
- cpe:2.3:h:rockwellautomation:slc_500_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Rockwell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4690
- 2026-10-03 Alias added: GHSA-mqxm-crwg-978x
References
More Rockwell Ab Micrologix Controller vulnerabilities
- TI-2014-04410 Rockwell Automation Micrologix 1400 Improper Input Validation CVSS 2.0HIGH 7.1
Sources
- CVE-2012-4690 · CVE Program
- CVE-2012-4690 · NVD
- FIRST EPSS
- GHSA-mqxm-crwg-978x · 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