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 or PROG Associated Fault Code: 0001 Fault Type: Non-User Description: A fault state can be triggered by setting the NVRAM/memory module user program mismatch bit (S2:9) when a memory module is NOT installed.
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-2017-14464?
CVE-2017-14464 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-2017-14464?
CVE-2017-14464 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-2017-14464?
Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Micrologix 1400 B Firmware, Rockwellautomation Micrologix 1400.