CVE-2020-6083: Rockwellautomation Allen-Bradley Flex Io 1794-Aent/b Firmware

High severity, CVSS 7.5. EPSS: 4.2% chance of exploitation in the next 30 days.

An exploitable denial of service vulnerability exists in the ENIP Request Path Port Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.

Affected products

• Rockwellautomation Allen-Bradley Flex Io 1794-Aent/b Firmware: version 4.003 only

Published 2020-10-14. Last modified 2026-06-17.