Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Micrologix 1100 B Firmware | 10.000 |
| Rockwellautomation | Micrologix 1100 | - |
Related Weaknesses (CWE)
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02Third Party AdvisoryUS Government Resource
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2020-6111?
CVE-2020-6111 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2020-6111?
CVE-2020-6111 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-6111?
Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Micrologix 1100 B Firmware, Rockwellautomation Micrologix 1100.