CVE-2020-6111

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Third-Party Advisory talosintelligence.com Third-Party Advisory cisa.gov
Affected: n/a Allen-Bradley
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2020-6111?
CVE-2020-6111 has been scored as a high severity vulnerability.
How to fix CVE-2020-6111?
To fix CVE-2020-6111, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-6111 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-6111 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-6111?
CVE-2020-6111 affects n/a Allen-Bradley.
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