Rockwellautomation Flex Unspecified Vulnerability

high Tenable.ot Plugin ID 500481
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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.

Solution

Refer to vendor advisory for Security Updates

See Also

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1006

Plugin Details

Severity: High

ID: 500481

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-6084

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:2.3:o:rockwellautomation:flex_i\/o_1794-aent:4.003:*:*:*:*:*:*:*

Patch Publication Date: 10/19/2020

Vulnerability Publication Date: 10/19/2020

Reference Information

CVE: CVE-2020-6084