CVE-2022-31805
Insecure transmission of credentials
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Insecure transmission of credentials
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
- Record
CVE-2022-31805- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-523
- Updated
- 2026-11-02
EUVDEUVD-2022-53194
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
- Record
EUVD-2022-53194- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q837-53gv-8r7r
In the CODESYS Development System multiple components in multiple versions transmit the passwords...
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
- Record
GHSA-q837-53gv-8r7r- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-523
- Updated
- 2026-11-02
NVD
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
- Record
CVE-2022-31805- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-523
- Updated
- 2026-11-02
Affected products
- codesys development system
- codesys edge gateway for windows
- codesys gateway
- codesys gateway client
- codesys gateway server
- codesys hmi (sl)
- codesys opc da server sl
- codesys plchandler
- codesys plcwinnt
- codesys runtime toolkit 32 bit full
- codesys sp realtime nt
- codesys web server
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-31805 is a high vulnerability (CVSS 7.5) in Codesys Development System, published June 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.