Is CVE-2017-14463 actively exploited?

No active exploitation of CVE-2017-14463 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-14463 be exploited remotely?

Yes. CVE-2017-14463 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-14463?

CVE-2017-14463 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2017-14463

NVD-CWE-noinfoPublished: April 5, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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: 0012 Fault Type: Non-User Description: A fault state can be triggered by overwriting the ladder logic data file (type 0x22 number 0x02) with null values.

NVD Source

Technical Analysis

CVE-2017-14463 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.