CVE-2017-14466

Critical

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 Description: The filetype 0x03 allows users write access, allowing the ability to overwrite the Master Password value stored in the file.

SeverityCritical
CVSS9.8
Exploit probability—
ProductRockwellautomation Micrologix 1400 B Firmware
PublishedApr 5, 2018
First seenApr 5, 2018

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rockwellautomation micrologix_1400_b_firmwarev ≤ 21.2—

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CVE-2017-14466 · Rockwellautomation Micrologix 1400 B Firmware · Dark Radar