CVSS v3
7.5
HIGH
EPSS Score
4.8 %
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 program download functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a device fault resulting in halted operations. An attacker can send an unauthenticated packet to trigger this vulnerability.
Technical details
- Published
- 2018-04-05
Frequently asked questions
What is CVE-2017-12089?
An exploitable denial of service vulnerability exists in the program download functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a device fault resulting in halted operations. An attacker can send an unauthenticated packet to trigger this vulnerability.
Is CVE-2017-12089 actively exploited?
Active exploitation of CVE-2017-12089 has not been confirmed. Its EPSS score was 4.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-12089?
CVE-2017-12089 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2017-12089 affecting your environment?
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