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Fencer Vulns
medium 6.8

CVE-2022-1797 json

Rockwell Automation Logix Controllers Uncontrolled Resource Consumption

published 2022-05-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-25077

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • rockwellautomation compactlogix_5380_firmware 33.011
  • rockwellautomation compact_guardlogix_5380_firmware 33.011
  • rockwellautomation compactlogix_5480_firmware 33.011
  • rockwellautomation controllogix_5580_firmware 33.011
  • rockwellautomation guardlogix_5580_firmware 33.011
  • rockwellautomation compactlogix_5370_firmware 34.011
  • rockwellautomation compact_guardlogix_5370_firmware 34.011
  • rockwellautomation controllogix_5570_firmware 34.011
  • rockwellautomation guardlogix_5570_firmware 34.011

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-144-01 updated cvss 6.8

Rockwell Automation Logix Controllers

  • Rockwell Automation Compact GuardLogix 5370 controllers <= 33.013 Rockwell Automation Compact GuardLogix 5380 controllers <= 32.013 Rockwell Automation CompactLogix 5370 controllers <= 33.013 Rockwell Automation CompactLogix 5380 controllers <= 32.013 Rockwell Automation CompactLogix 5480 controllers <= 32.013 Rockwell Automation ControlLogix 5570 controllers <= 33.013
    +3 more products
    Rockwell Automation ControlLogix 5580 controllers <= 32.013 Rockwell Automation GuardLogix 5570 controllers <= 33.013 Rockwell Automation GuardLogix 5580 controllers <= 32.013
    affected: mitigation “CompactLogix 5380, Compact GuardLogix 5380, CompactLogix 5480, ControlLogix 5580, GuardLogix 5580: Upgrade to v33.011 firmware” compatibility.rockwellautomation.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • Rockwell Automation CompactLogix 5380 controllers
  • Rockwell Automation Compact GuardLogix 5380 controllers
  • Rockwell Automation CompactLogix 5480 controllers
  • Rockwell Automation ControlLogix 5580 controllers
  • Rockwell Automation GuardLogix 5580 controllers
  • Rockwell Automation CompactLogix 5370 controllers
  • Rockwell Automation Compact GuardLogix 5370 controllers
  • Rockwell Automation ControlLogix 5570 controllers
  • Rockwell Automation GuardLogix 5570 controllers

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.