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Fencer Vulns
critical 10.0

CVE-2022-1161 json

ICSA-22-090-05 Rockwell Automation Logix Controllers

published 2022-04-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24503

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, and GuardLogix Control systems. Studio 5000 Logix Designer writes user-readable program code to a separate location than the executed compiled code, allowing an attacker to change one and not the other.

Vendor advisories

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

cisa ICSA-22-090-05 updated cvss 10.0

Rockwell Automation Logix Controllers

  • Rockwell Automation 1768 CompactLogix controllers Rockwell Automation 1769 CompactLogix controllers Rockwell Automation Compact GuardLogix 5370 controllers Rockwell Automation Compact GuardLogix 5380 controllers Rockwell Automation CompactLogix 5370 controllers Rockwell Automation CompactLogix 5380 controllers
    +11 more products
    Rockwell Automation CompactLogix 5480 controllers Rockwell Automation ControlLogix 5550 controllers Rockwell Automation ControlLogix 5560 controllers Rockwell Automation ControlLogix 5570 controllers Rockwell Automation ControlLogix 5580 controllers Rockwell Automation DriveLogix 5730 controllers Rockwell Automation FlexLogix 1794-L34 controllers Rockwell Automation GuardLogix 5560 controllers Rockwell Automation GuardLogix 5570 controllers Rockwell Automation GuardLogix 5580 controllers Rockwell Automation SoftLogix 5800 controllers
    affected: mitigation “Risk Mitigation A:” literature.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
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

5.21% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Rockwell Automation 1768 CompactLogix controllers
  • Rockwell Automation 1769 CompactLogix controllers
  • Rockwell Automation CompactLogix 5370 controllers
  • Rockwell Automation CompactLogix 5380 controllers
  • Rockwell Automation CompactLogix 5480 controllers
  • Rockwell Automation Compact GuardLogix 5370 controllers
  • Rockwell Automation Compact GuardLogix 5380 controllers
  • Rockwell Automation ControlLogix 5550 controllers
  • Rockwell Automation ControlLogix 5560 controllers
  • Rockwell Automation ControlLogix 5570 controllers
  • Rockwell Automation ControlLogix 5580 controllers
  • Rockwell Automation GuardLogix 5560 controllers
  • Rockwell Automation GuardLogix 5570 controllers
  • Rockwell Automation GuardLogix 5580 controllers
  • Rockwell Automation FlexLogix 1794-L34 controllers
  • Rockwell Automation DriveLogix 5730 controllers
  • Rockwell Automation SoftLogix 5800 controllers

Classification

Weakness
  • CWE-829 Inclusion of Functionality from Untrusted Control Sphere

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.