CVE-2020-6998
Medium
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.
SeverityMedium
CVSS5.8
Exploit probability—
ProductRockwellautomation Compact Guardlogix 5370 Firmware
PublishedJul 27, 2022
First seenJul 27, 2022
Weakness typeCWE-20Improper input validation
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rockwellautomation compact_guardlogix_5370_firmware | v ≤ 33 | — |
| rockwellautomation armor_compact_guardlogix_5370_firmware | v ≤ 33 | — |
| rockwellautomation compactlogix_5370_l1_firmware | v ≤ 33 | — |
| rockwellautomation compactlogix_5370_l2_firmware | v ≤ 33 | — |
| rockwellautomation compactlogix_5370_l3_firmware | v ≤ 33 | — |
| rockwellautomation controllogix_5570_firmware | v ≤ 33 | — |
| rockwellautomation guardlogix_5560_firmware | v ≤ 33 | — |
| rockwellautomation guardlogix_5570_firmware | v ≤ 33 | — |
| rockwellautomation guardlogix_5580_firmware | v ≤ 33 | — |
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