CVE-2022-29866
Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.
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
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.
- Record
CVE-2022-29866- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.
- Record
CVE-2022-29866- Updated
- 2026-11-02
EUVDEUVD-2022-5960 No score
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.
- Record
EUVD-2022-5960- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6fp8-cxc9-4fr9 No score
Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that allows a malicious client to trigger a stack overflow exception in a server that exposes an HTTPS endpoint.
- Record
GHSA-6fp8-cxc9-4fr9- Weakness
- CWE-400
- Updated
- 2026-11-02
OSV No score
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.
- Record
CVE-2022-29866- Updated
- 2026-11-02
OSVGHSA-6fp8-cxc9-4fr9 No score
Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that allows a malicious client to trigger a stack overflow exception in a server that exposes an HTTPS endpoint.
- Record
GHSA-6fp8-cxc9-4fr9- Weakness
- CWE-400
- Updated
- 2026-11-02
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 |
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.
In short
CVE-2022-29866 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 1.70%, the 77th percentile. Fixed in OPCFoundation.NetStandard.Opc.Ua.Core 1.4.368.58.
References
opcfoundation.org/security
files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29866.pdf
github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-6fp8-cxc9-4fr9
nvd.nist.gov/vuln/detail/CVE-2022-29866