CVE-2022-1797 : A malformed Class 3 common industrial protocol message with a cached connection

A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.

Published 2022-06-02 14:15:33

Updated 2022-06-11 00:49:38

Source ICS-CERT

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2022-1797

Rockwellautomation » Controllogix 5580 Firmware
Versions before (<) 33.011
cpe:2.3:o:rockwellautomation:controllogix_5580_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Controllogix 5580 » Version: N/A
Rockwellautomation » Compact Guardlogix 5370 Firmware
Versions before (<) 34.011
cpe:2.3:o:rockwellautomation:compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Compact Guardlogix 5370 » Version: N/A
Rockwellautomation » Compactlogix 5380 Firmware
Versions before (<) 33.011
cpe:2.3:o:rockwellautomation:compactlogix_5380_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Compactlogix 5380 » Version: N/A
Rockwellautomation » Guardlogix 5580 Firmware
Versions before (<) 33.011
cpe:2.3:o:rockwellautomation:guardlogix_5580_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Guardlogix 5580 » Version: N/A
Rockwellautomation » Compactlogix 5480 Firmware
Versions before (<) 33.011
cpe:2.3:o:rockwellautomation:compactlogix_5480_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Compactlogix 5480 » Version: N/A
Rockwellautomation » Compact Guardlogix 5380 Firmware
Versions before (<) 33.011
cpe:2.3:o:rockwellautomation:compact_guardlogix_5380_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Compact Guardlogix 5380 » Version: N/A
Rockwellautomation » Controllogix 5570 Firmware
Versions before (<) 34.011
cpe:2.3:o:rockwellautomation:controllogix_5570_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Controllogix 5570 » Version: N/A
Rockwellautomation » Guardlogix 5570 Firmware
Versions before (<) 34.011
cpe:2.3:o:rockwellautomation:guardlogix_5570_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Guardlogix 5570 » Version: N/A
Rockwellautomation » Compactlogix 5370 Firmware
Versions before (<) 34.011
cpe:2.3:o:rockwellautomation:compactlogix_5370_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Rockwellautomation » Compactlogix 5370 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-1797

EPSS FAQ

0.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 7 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-1797

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
6.8	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H	2.2	4.0	ICS-CERT
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High
8.6	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	3.9	4.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-1797

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

Assigned by: ics-cert@hq.dhs.gov (Primary)

References for CVE-2022-1797

https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01

Rockwell Automation Logix Controllers | CISA
Third Party Advisory;US Government Resource
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559

Rockwell Automation - Sign In
Permissions Required;Vendor Advisory

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Vulnerability Details : CVE-2022-1797

Products affected by CVE-2022-1797

Exploit prediction scoring system (EPSS) score for CVE-2022-1797

CVSS scores for CVE-2022-1797

CWE ids for CVE-2022-1797

References for CVE-2022-1797