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Fencer Intel
medium 4.3

CVE-2022-22508 json

CODESYS V3: Improper Input Validation

published 3y ago modified 4mo ago also EUVD-2022-27654

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Improper Input Validation vulnerability in multiple CODESYS V3 products allows an authenticated remote attacker to block consecutive logins of a specific type.

Patch / fix

  • CODESYS V3 CODESYS Control RTE (SL) V3.5.18.40
  • CODESYS V3 CODESYS Control RTE (for Beckhoff CX) SL V3.5.18.40
  • CODESYS V3 CODESYS Control Win (SL) V3.5.18.40
  • CODESYS V3 CODESYS HMI (SL) V3.5.18.40
  • CODESYS V3 CODESYS Control Runtime System Toolkit V3.5.18.40
  • CODESYS V3 CODESYS Control for BeagleBone SL V4.7.0.0
  • CODESYS V3 CODESYS Control for emPC-A/iMX6 SL V4.7.0.0
  • CODESYS V3 CODESYS Control for IOT2000 SL V4.7.0.0
  • CODESYS V3 CODESYS Control for Linux SL V4.7.0.0
  • CODESYS V3 CODESYS Control for PFC100 SL V4.7.0.0
  • CODESYS V3 CODESYS Control for PFC200 SL V4.7.0.0
  • CODESYS V3 CODESYS Control for PLCnext SL V4.7.0.0
  • CODESYS V3 CODESYS Control for Raspberry Pi SL V4.7.0.0
  • CODESYS V3 CODESYS Control for WAGO Touch Panels 600 SL V4.7.0.0

Is CVE-2022-22508 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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 4.3

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
partial
Assessed
last yr.

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

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

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.