CVE-2022-29865
Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core
CVE-2022-29865 is a high vulnerability (CVSS 7.5) in Opcfoundation Ua .net Standard Stack, published June 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. Fixed in OPCFoundation.NetStandard.Opc.Ua.Core 1.4.368.58.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.65%EPSS, 76th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.4.368.58OPCFoundation.NetStandard.Opc.Ua.Core +1 more
Description
OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
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
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
OPCFoundation.NetStandard.Opc.Ua.CoreNuGet | through 1.4.368.53 | 1.4.368.58 |
OPCFoundation.NetStandard.Opc.Ua.CoreNuGet | before 1.4.368.58, plus listed versions 0.0.30.0.60.0.70.0.80.0.9 Show 36 moreShow less0.1.00.1.10.1.20.1.30.1.50.1.60.1.70.1.80.1.90.2.00.2.10.2.20.2.30.2.41.4.363.104-preview1.4.363.1071.4.364.401.4.365-gfc341ee8c51.4.365.1-preview1.4.365.101.4.365.21.4.365.231.4.365.481.4.366.31-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-preview1.4.368.53 | 1.4.368.58 |
What each source reports
NVD Score used
OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
- Record
CVE-2022-29865- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE ListNo score
OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
- Record
CVE-2022-29865- Updated
- 2026-11-02
EUVDEUVD-2022-6043No score
OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
- Record
EUVD-2022-6043- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fvxf-r9fw-49pc
Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that
- allows a malicious client or server to bypass the application authentication mechanism
- and allow a connection to an untrusted peer.
- Record
GHSA-fvxf-r9fw-49pc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGHSA-fvxf-r9fw-49pc
Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that
- allows a malicious client or server to bypass the application authentication mechanism
- and allow a connection to an untrusted peer.
- Record
GHSA-fvxf-r9fw-49pc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVNo score
OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
- Record
CVE-2022-29865- 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/security
files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29865.pdf
github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-fvxf-r9fw-49pc
nvd.nist.gov/vuln/detail/CVE-2022-29865