Vulnerability Description
An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability. Required Keyswitch State: REMOTE Description: Live rung edits are able to be made by an unauthenticated user allowing for addition, deletion, or modification of existing ladder logic. Additionally, faults and cpu state modification can be triggered if specific ladder logic is used.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Micrologix 1400 B Firmware | <= 21.2 |
| Rockwellautomation | Micrologix 1400 | - |
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443ExploitThird Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443ExploitThird Party Advisory
FAQ
What is CVE-2017-14467?
CVE-2017-14467 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted ...
How severe is CVE-2017-14467?
CVE-2017-14467 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-14467?
Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Micrologix 1400 B Firmware, Rockwellautomation Micrologix 1400.