Home/CVE/In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication
CVE

CVE-2022-31805

In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication

In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.

HIGH · CVSS 7.5 EPSS 0.00276
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-523Unprotected Transport of Credentials
▤

Affected Products & Versions

10
codesys development system< 2.3.9.69
codesys edge gateway< 3.5.18.30
codesys gateway< 2.3.9.38
codesys hmi sl< 3.5.18.30
codesys opc server< 3.5.18.30
codesys plchandler< 3.5.18.30
codesys plcwinnt< 2.4.7.57
codesys runtime toolkit< 2.4.7.57
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Process By Web Server Process
productmediumAzure Application Gateway Modified or Deleted
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · info@cert.vde.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Jun 2022 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2026-icsa-26-076-01
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17140&token=6aa2c5c4a8b83b8b09936fefed5b0b11f9d2cc6c&download=Vendor Advisory
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