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CVE-2017-14473

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 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: Any Description: Reads the encoded ladder logic from its data file and print it out in HEX.

Published: Apr 5, 2018 Modified: Jun 17, 2026
NVD-CWE-noinfo

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: CHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
rockwellautomation micrologix_1400_b_firmware *

GitHub Security Advisory GHSA-g8w3-jx4w-55p3

An exploitable access control vulnerability exists in the data, program, and function file...

Risk Scores

CVSS Score 10.0 / 10
EPSS Score 36.84%

Top 2% most likely to be exploited

Threat Score 51.1 / 100

Data Sources

NVD EPSS GitHub