CRITICAL

CVE-2017-14464

CVSS v3

9.8

CRITICAL

EPSS Score

37.0%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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: 0001 Fault Type: Non-User Description: A fault state can be triggered by setting the NVRAM/memory module user program mismatch bit (S2:9) when a memory module is NOT installed.

Technical details

Published
4/5/2018

Frequently asked questions

What is CVE-2017-14464?

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: 0001 Fault Type: Non-User Description: A fault state can be triggered by setting the NVRAM/memory module user program mismatch bit (S2:9) when a memory module is NOT installed.

Is CVE-2017-14464 actively exploited?

Active exploitation of CVE-2017-14464 has not been confirmed. The EPSS score is 37.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-14464?

CVE-2017-14464 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2017-14464 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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