CRITICAL

CVE-2017-14462

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 (also RUN for some) Description: Allows an attacker to enable SNMP, Modbus, DNP, and any other features in the channel configuration. Also allows attackers to change network parameters, such as IP address, name server, and domain name.

Technical details

Published
4/5/2018

Frequently asked questions

What is CVE-2017-14462?

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 (also RUN for some) Description: Allows an attacker to enable SNMP, Modbus, DNP, and any other features in the channel configuration. Also allows attackers to change network parameters, such as IP address, name server, and domain name.

Is CVE-2017-14462 actively exploited?

Active exploitation of CVE-2017-14462 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-2017-14462?

CVE-2017-14462 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2017-14462 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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