CVE-2021-33012

2021-07-0914:03:55

CWE-20

icscert

www.cve.org

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.7%

JSON

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.

CNA Affected

[
  {
    "product": "Rockwell Automation MicroLogix 1100",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All Versions"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-189-01