CVE-2017-12088

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-04-05 · updated 2026-06-17
Weakness: CWE-20

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

Affected products

Rockwellautomation Micrologix 1400 B Firmware: through 21.2

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0440
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0440

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