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Fencer Vulns
high 8.8

CVE-2022-4224 json

CODESYS: Exposure of Resource to Wrong Sphere in CODESYS V3

published 2023-03-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51583

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

In multiple products of CODESYS v3 in multiple versions a remote low privileged user could utilize this vulnerability to read and modify system files and OS resources or DoS the device.

Patch / fix

  • CODESYS Control RTE (SL) 3.5.19.0
  • CODESYS Control RTE (for Beckhoff CX) SL 3.5.19.0
  • CODESYS Control Win (SL) 3.5.19.0
  • CODESYS Runtime Toolkit 3.5.19.0
  • CODESYS Safety SIL2 Runtime Toolkit 3.5.19.0
  • CODESYS Safety SIL2 PSP 3.5.19.0
  • CODESYS HMI (SL) 3.5.19.0
  • CODESYS Development System V3 3.5.19.0
  • CODESYS Control for BeagleBone SL 4.8.0.0
  • CODESYS Control for emPC-A/iMX6 SL 4.8.0.0
  • CODESYS Control for IOT2000 SL 4.8.0.0
  • CODESYS Control for Linux SL 4.8.0.0
  • CODESYS Control for PFC100 SL 4.8.0.0
  • CODESYS Control for PFC200 SL 4.8.0.0
  • CODESYS Control for PLCnext SL 4.8.0.0
  • CODESYS Control for Raspberry Pi SL 4.8.0.0
  • CODESYS Control for WAGO Touch Panels 600 SL 4.8.0.0

Vendor advisories

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

cisa ICSA-26-076-01 updated cvss 8.8

CODESYS in Festo Automation Suite

  • CODESYS Development System 3.0 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138 CODESYS Development System 3.5.16.10 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138
    affected: mitigation
  • Festo Automation Suite 2.8.0.138 CODESYS Development System 3.5.21.20
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
5 mo ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • CODESYS Control RTE (SL)
  • CODESYS Control RTE (for Beckhoff CX) SL
  • CODESYS Control Win (SL)
  • CODESYS Runtime Toolkit
  • CODESYS Safety SIL2 Runtime Toolkit
  • CODESYS Safety SIL2 PSP
  • CODESYS HMI (SL)
  • CODESYS Development System V3
  • CODESYS Control for BeagleBone SL
  • CODESYS Control for emPC-A/iMX6 SL
  • CODESYS Control for IOT2000 SL
  • CODESYS Control for Linux SL
  • CODESYS Control for PFC100 SL
  • CODESYS Control for PFC200 SL
  • CODESYS Control for PLCnext SL
  • CODESYS Control for Raspberry Pi SL
  • CODESYS Control for WAGO Touch Panels 600 SL

Classification

Weakness
  • CWE-1188 Initialization of a Resource with an Insecure Default

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.