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Fencer Vulns
high 7.5

CVE-2024-6207 json

CVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html and send a specially crafted…

published 2024-10-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47344

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

CVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html  and send a specially crafted CIP message to the device. If exploited, a threat actor could help prevent access to the legitimate user and end connections to connected devices including the workstation. To recover the controllers, a download is required which ends any process that the controller is running.

Patch / fix

  • rockwellautomation compactlogix_5380_firmware 33.017, 34.014, 35.013, 36.011
  • rockwellautomation controllogix_5580_process_firmware 33.017, 34.014, 35.013, 36.011
  • rockwellautomation guardlogix_5580_firmware 33.017, 34.014, 35.013, 36.011
  • rockwellautomation compact_guardlogix_5380_sil3_firmware 33.017, 34.014, 35.013, 36.011
  • rockwellautomation factorytalk_logix_echo 34.014, 35.013, 36.011

Vendor advisories

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

cisa ICSA-24-284-20 updated cvss 7.5

Rockwell Automation ControlLogix

  • Rockwell Automation Compact GuardLogix 5380 SIL 2 <V33.017_V34.014_V35.013_V36.011 Rockwell Automation Compact GuardLogix 5380 SIL 3 <V33.017_V34.014_V35.013_V36.011 Rockwell Automation CompactLogix 5380 <V33.017_V34.014_V35.013_V36.011 Rockwell Automation CompactLogix 5480 <V33.017_V34.014_V35.013_V36.011 Rockwell Automation ControlLogix 5580 <V33.017_V34.014_V35.013_V36.011 Rockwell Automation ControlLogix 5580 Process <V33.017_V34.014_V35.013_V36.011
    +2 more products
    Rockwell Automation FactoryTalk Logix Echo <V33.017_V34.014_V35.013_V36.011 Rockwell Automation GuardLogix 5580 <V33.017_V34.014_V35.013_V36.011
    affected: mitigation “Rockwell Automations recommends users update to V33.017, V34.014, V35.013, or V36.011.” rockwellautomation.custhelp.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
partial
Assessed
2 y ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Rockwell Automation ControlLogix® 5580
  • Rockwell Automation ControlLogix® 5580 Process
  • Rockwell Automation GuardLogix 5580
  • Rockwell Automation CompactLogix 5380
  • Rockwell Automation Compact GuardLogix 5380 SIL 2
  • Rockwell Automation Compact GuardLogix 5380 SIL 3
  • Rockwell Automation CompactLogix 5480
  • Rockwell Automation FactoryTalk® Logix Echo
  • rockwellautomation compactlogix_5380_firmware
  • rockwellautomation controllogix_5580_process_firmware
  • rockwellautomation guardlogix_5580_firmware
  • rockwellautomation compact_guardlogix_5380_sil3_firmware
  • rockwellautomation factorytalk_logix_echo

Classification

Weakness
  • CWE-20 Improper Input Validation

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.