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5.8 Medium

CVE-2020-6998 The connection establishment algorithm found in Rockwell Automation CompactLogix 5370 and ControlLogix 5570 versions…

Description

The connection establishment algorithm found in Rockwell Automation CompactLogix 5370 and ControlLogix 5570 versions 33 and prior does not sufficiently manage its control flow during execution, creating an infinite loop. This may allow an attacker to send specially crafted CIP packet requests to a controller, which may cause denial-of-service conditions in communications with other products.

Affected products and versions

Product Affected versions Fixed in
Armor Compact GuardLogix 5370 controllers Versions not published
Armor GuardLogix Safety Controllers Versions not published
CompactLogix 5370 L1 controllers Versions not published
CompactLogix 5370 L2 controllers Versions not published
CompactLogix 5370 L3 controllers Versions not published
Compact GuardLogix 5370 controllers Versions not published
ControlLogix 5570 controllers Versions not published

Other CVEs of Armor Compact GuardLogix 5370 controllers

The 3 CVEs of Armor Compact GuardLogix 5370 controllers →
CVE-2019-10952 An attacker could send a crafted HTTP/HTTPS request to render the web server unavailable and/or lead to remote code… Not rated CVE-2019-10954 An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major… Not rated
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