Input validation error in Allen-Bradley MicroLogix 1100 - CVE-2020-6111

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Main Vulnerability Database Vulnerabilities #VU48767

Input validation error in Allen-Bradley MicroLogix 1100 - CVE-2020-6111

Published: December 3, 2020


Vulnerability identifier: #VU48767
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-6111
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Rockwell Automation
Affected software:
Allen-Bradley MicroLogix 1100

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the IPv4 functionality. A remote attacker can send a specially crafted packet and perform a denial of service (DoS) attack.


How to mitigate CVE-2020-6111

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources