CVE-2020-6111
First published: Thu Dec 03 2020(Updated: )
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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Rockwellautomation Micrologix 1100 | ||
| Rockwell Automation Allen-Bradley MicroLogix 1100 revision number 1.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-6111?
CVE-2020-6111 is a denial-of-service vulnerability in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems.
What is the severity of CVE-2020-6111?
The severity of CVE-2020-6111 is high, with a severity value of 7.5.
Which versions of Allen-Bradley MicroLogix 1100 Firmware are affected by CVE-2020-6111?
Allen-Bradley MicroLogix 1100 Firmware versions 10.000, 11.000, 12.000, 13.000, 14.000, 15.000, 15.002, and 16.000 are affected by CVE-2020-6111.
How can I fix CVE-2020-6111?
To fix CVE-2020-6111, Rockwell Automation recommends updating to a non-vulnerable firmware version.
Where can I find more information about CVE-2020-6111?
You can find more information about CVE-2020-6111 at the following references: [link1], [link2].
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/description
- agent/tags
- agent/event
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup-request
- vendor/rockwellautomation
- canonical/rockwellautomation micrologix 1100 b firmware
- version/rockwellautomation micrologix 1100 b firmware/10.000
- version/rockwellautomation micrologix 1100 b firmware/11.000
- version/rockwellautomation micrologix 1100 b firmware/12.000
- version/rockwellautomation micrologix 1100 b firmware/13.000
- version/rockwellautomation micrologix 1100 b firmware/14.000
- version/rockwellautomation micrologix 1100 b firmware/15.000
- version/rockwellautomation micrologix 1100 b firmware/15.002
- version/rockwellautomation micrologix 1100 b firmware/16.000
- canonical/rockwellautomation micrologix 1100
- vendor/rockwell automation
- canonical/rockwell automation allen-bradley micrologix 1100 revision number 1.0