cvedb.io
CVE-2021-33012
HIGH · CVSS 8.6
EPSS exploitation probability: 0%
Published 2021-07-09T15:15:08.503 · Last modified 2026-06-17T03:54:00.500

Summary

Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.

Affected products

rockwellautomation — micrologix_1100_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.