CVE-2022-33916
Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server
CVE-2022-33916 is a high vulnerability (CVSS 7.5) in Opcfoundation Ua .net Standard Stack, published August 23, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. Fixed in OPCFoundation.NetStandard.Opc.Ua.Server 1.4.370.9.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.43%EPSS, 73rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.4.370.9OPCFoundation.NetStandard.Opc.Ua.Server +1 more
Description
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
OPCFoundation.NetStandard.Opc.Ua.ServerNuGet | before 1.4.370.9 | 1.4.370.9 |
OPCFoundation.NetStandard.Opc.Ua.ServerNuGet | before 1.4.370.9, plus listed versions 1.4.363.104-preview1.4.363.1071.4.364.401.4.365-gfc341ee8c51.4.365.1-preview Show 20 moreShow less1.4.365.101.4.365.21.4.365.231.4.365.481.4.366.31-preview1.4.366.381.4.367.1001.4.367.391.4.367.411.4.367.421.4.367.64-preview1.4.367.751.4.367.951.4.368.27-preview1.4.368.331.4.368.52-preview1.4.368.531.4.368.581.4.369.301.4.370.1 | 1.4.370.9 |
What each source reports
NVD Score used
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
- Record
CVE-2022-33916- 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
- 2026-11-02
CVE ListNo score
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
- Record
CVE-2022-33916- Updated
- 2026-11-02
EUVDEUVD-2022-6590No score
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
- Record
EUVD-2022-6590- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mw9h-hcp7-fgc6
Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
- Record
GHSA-mw9h-hcp7-fgc6- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-mw9h-hcp7-fgc6
Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server
OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.
- Record
GHSA-mw9h-hcp7-fgc6- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
opcfoundation.org
files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-33916.pdf
nvd.nist.gov/vuln/detail/CVE-2022-33916
github.com/OPCFoundation/UA-.NETStandard/commit/313aa2a2499d8690cf719a67176e131517bb8b78