#VU50270 Buffer overflow in Allen-Bradley MicroLogix 1400 - CVE-2021-22659

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Main Vulnerability Database Vulnerabilities #VU50270

#VU50270 Buffer overflow in Allen-Bradley MicroLogix 1400 - CVE-2021-22659

Published: February 3, 2021


Vulnerability identifier: #VU50270
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-22659
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Allen-Bradley MicroLogix 1400
Software vendor:
Rockwell Automation

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted Modbus packet, trigger memory corruption, retrieve or modify random values in the register and cause a denial of service condition on the target system.


Remediation

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

External links