Description
An exploitable denial-of-service vulnerability exists in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 16.000, Series B FRN 15.002, Series B FRN 15.000, Series B FRN 14.000, Series B FRN 13.000, Series B FRN 12.000, Series B FRN 11.000 and Series B FRN 10.000. A specially crafted packet can cause a major error, resulting in a denial of service. An attacker can send a malicious packet to trigger this vulnerability.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | 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
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02Third Party Advisory, US Government Resource
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02Third Party Advisory, US Government Resource
Timeline
- Published
- Dec 3, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified