Is CVE-2017-12090 actively exploited?

No active exploitation of CVE-2017-12090 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-12090 be exploited remotely?

Yes. CVE-2017-12090 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-12090?

CVE-2017-12090 has a CVSS score of 7.7 (HIGH).

HOME VULNERABILITIESCVE-2017-12090

HIGH

CVE-2017-12090

CWE-400Published: April 5, 2018· Updated: Jun 17, 2026

7.7

CVSS v3.1

Official Description

An exploitable denial of service vulnerability exists in the processing of snmp-set commands of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted snmp-set request, when sent without associated firmware flashing snmp-set commands, can cause a device power cycle resulting in downtime for the device. An attacker can send one packet to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2017-12090 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.7.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.