Resource exhaustion in Rockwellautomation Micrologix 1400

CVE-2017-12090

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.048 (91.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-12090?
CVE-2017-12090 is a high-severity vulnerability in Rockwellautomation Micrologix 1400, classified under Uncontrolled Resource Consumption. CVSS score: 7.7/10. Published 2018-04-05.
How severe is CVE-2017-12090?
High severity. CVSS v3 base score is 7.7 out of 10.