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 or RUN Description: The value 0xffffffff is considered NaN for the Float data type. When a float is set to this value and used in the PLC, a fault is triggered. NOTE: This is not possible through RSLogix.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published: 2018-04-05T21:00:00Z

Updated: 2024-09-17T01:06:52.162Z

Reserved: 2017-09-13T00:00:00

Link: CVE-2017-14470

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-04-05T21:29:01.037

Modified: 2022-04-19T19:15:18.203

Link: CVE-2017-14470

cve-icon Redhat

No data.