Is CVE-2020-6084 actively exploited?

No active exploitation of CVE-2020-6084 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-6084 be exploited remotely?

Yes. CVE-2020-6084 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-6084?

CVE-2020-6084 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2020-6084

CWE-120Published: October 19, 2020· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. 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 by sending an Electronic Key Segment with less bytes than required by the Key Format Table.

NVD Source

Technical Analysis

CVE-2020-6084 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.