What is the severity of CVE-2020-6084?

CVE-2020-6084 is classified as a denial of service vulnerability.

How do I fix CVE-2020-6084?

To mitigate CVE-2020-6084, ensure that your Allen-Bradley Flex IO 1794-AENT/B is updated to the latest firmware version.

What devices are affected by CVE-2020-6084?

CVE-2020-6084 specifically affects the Rockwell Automation Flex I/O 1794-AENT/B with firmware version 4.003.

What type of attack can exploit CVE-2020-6084?

CVE-2020-6084 can be exploited by sending specially crafted network requests that cause a loss of communications with the device.

What impact does CVE-2020-6084 have on affected systems?

Exploitation of CVE-2020-6084 can result in a denial of service, disrupting normal operations of the affected device.

Vulnerability/
CVE-2020-6084

high

7.8

CWE

120

19/10/2020

4/8/2024

CVE-2020-6084

First published: Mon Oct 19 2020(Updated: )

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.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
Rockwell Automation FLEX I/O Ethernet/IP Firmware	=4.003
Rockwell Automation FLEX I/O Ethernet/IP Firmware

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Reference Links

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

Frequently Asked Questions

What is the severity of CVE-2020-6084?
CVE-2020-6084 is classified as a denial of service vulnerability.
How do I fix CVE-2020-6084?
To mitigate CVE-2020-6084, ensure that your Allen-Bradley Flex IO 1794-AENT/B is updated to the latest firmware version.
What devices are affected by CVE-2020-6084?
CVE-2020-6084 specifically affects the Rockwell Automation Flex I/O 1794-AENT/B with firmware version 4.003.
What type of attack can exploit CVE-2020-6084?
CVE-2020-6084 can be exploited by sending specially crafted network requests that cause a loss of communications with the device.
What impact does CVE-2020-6084 have on affected systems?
Exploitation of CVE-2020-6084 can result in a denial of service, disrupting normal operations of the affected device.

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collector/mitre-cve
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agent/author
agent/last-modified-date
agent/event
agent/first-publish-date
agent/description
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
agent/softwarecombine
vendor/rockwellautomation
canonical/rockwell automation flex i/o ethernet/ip firmware
version/rockwell automation flex i/o ethernet/ip firmware/4.003

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