CVE-2017-14471
10.0 · CRITICALOverview
CVE-2017-14471 is a critical-severity vulnerability affecting rockwellautomation micrologix_1400_b_firmware. It was published on April 5, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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 Codes: 0023, 002e, and 0037 Fault Type: Recoverable Description: The STI, EII, and HSC function files contain bits signifying whether or not a fault has occurred. Additionally there is a bit signaling the module to auto start. When these bits are set for any of the three modules and the device is moved into a run state, a fault is triggered.
Remediation
Check the references section for vendor advisories and patches from rockwellautomation. Update micrologix_1400_b_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rockwellautomation | micrologix_1400_b_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2017-14471?
CVE-2017-14471 is a critical-severity vulnerability affecting rockwellautomation micrologix_1400_b_firmware. It was published on April 5, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
How severe is CVE-2017-14471?
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-14471?
Check the references section for vendor advisories and patches from rockwellautomation. Update micrologix_1400_b_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-14471?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-14471 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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