CVEvulnerability
CVE-2020-6111
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-189
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.
Affected configurations
• rockwellautomation micrologix 1100 b firmware 10.000
• rockwellautomation micrologix 1100 b firmware 11.000
• rockwellautomation micrologix 1100 b firmware 12.000
• rockwellautomation micrologix 1100 b firmware 13.000
• rockwellautomation micrologix 1100 b firmware 14.000
• rockwellautomation micrologix 1100 b firmware 15.000
• rockwellautomation micrologix 1100 b firmware 15.002
• rockwellautomation micrologix 1100 b firmware 16.000
Related
Weakness · not in database (1)
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057 Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02 Third Party Advisory, US Government Resource
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057 Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02 Third Party Advisory, US Government Resource