Plaintext Storage of a password in CODESYS V3 OPC DA Server
Priority LOW 24CWE-256Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-256.
Summary
The CODESYS OPC DA Server prior V3.5.18.20 stores PLC passwords as plain text in its configuration file so that it is visible to all authorized Microsoft Windows users of the system.
Why it matters now
EPSS 0.00211 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CODESYS | CODESYS OPC DA Server | V3 – V3.5.18.20 | — | No fix listed | CNA |
- CODESYS OPC DA Server VendorCODESYS Affected V3 – V3.5.18.20 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1794
- 2026-10-03 Alias added: GHSA-w7rj-j5f6-772g
References
Sources
- CVE-2022-1794 · CVE Program
- CVE-2022-1794 · NVD
- FIRST EPSS
- GHSA-w7rj-j5f6-772g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences