Denial-of-Service Vulnerability in Allen-Bradley MicroLogix 1100 PLC Systems
CVE-2020-6111
What is CVE-2020-6111?
An exploitable denial-of-service vulnerability exists in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controllers. By sending specially crafted packets, an attacker could trigger a major error, ultimately resulting in a denial of service. This flaw affects multiple versions, indicating a significant risk to operational continuity in systems utilizing these PLCs. Timely updates are crucial to mitigate potential exploitation.
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Affected Version(s)
Allen-Bradley Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 10.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 11.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 12.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 13.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 14.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 15.000, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 15.002, Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 16.000
References
CVSS V3.1
Timeline
Vulnerability published
Vulnerability Reserved