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HIGH

CVE-2017-12088

CVSS v3

7.5

HIGH

EPSS Score

4.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted packet can cause a device power cycle resulting in a fault state and deletion of ladder logic. An attacker can send one unauthenticated packet to trigger this vulnerability

Technical details

Published
2018-04-05

Frequently asked questions

What is CVE-2017-12088?

An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted packet can cause a device power cycle resulting in a fault state and deletion of ladder logic. An attacker can send one unauthenticated packet to trigger this vulnerability

Is CVE-2017-12088 actively exploited?

Active exploitation of CVE-2017-12088 has not been confirmed. Its EPSS score was 4.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-12088?

CVE-2017-12088 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2017-12088 affecting your environment?

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