High severity · published Jun 2, 2022
CVE-2022-1797
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…
8.6
CVSS
2.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CG
Compact Guardlogix 5370 Firmware · Rockwellautomation
before 34.011 · source: NVD
CG
Compact Guardlogix 5380 Firmware · Rockwellautomation
before 33.011 · source: NVD
C5
Compactlogix 5370 Firmware · Rockwellautomation
before 34.011 · source: NVD
C5
Compactlogix 5380 Firmware · Rockwellautomation
before 33.011 · source: NVD
C5
Compactlogix 5480 Firmware · Rockwellautomation
before 33.011 · source: NVD
C5
Controllogix 5570 Firmware · Rockwellautomation
before 34.011 · source: NVD
C5
Controllogix 5580 Firmware · Rockwellautomation
before 33.011 · source: NVD
G5
Guardlogix 5570 Firmware · Rockwellautomation
before 34.011 · source: NVD
G5
Guardlogix 5580 Firmware · Rockwellautomation
before 33.011 · source: NVD
Affected product
CG
Compact Guardlogix 5370 Firmware
Rockwellautomation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1797
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1797
Permissions Required
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01
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