CVE-2022-29866 json
Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core
published 2022-06-16 4 y ago modified 2026-06-17 4 mo ago also GHSA-6fp8-cxc9-4fr9 , EUVD-2022-5960
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nuget OPCFoundation.NetStandard.Opc.Ua.Core 1.4.368.58
- opcfoundation ua_.net_standard_stack 1.4.368.58
Exploit prediction
1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | OPCFoundation.NetStandard.Opc.Ua.Core | <1.4.368.58 |
1.4.368.58 |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
files.opcfoundation.org
/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29866.pdf
web, patch, vendor-advisory
-
opcfoundation.org
/security/
vendor-advisory
-
github.com
/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-6fp8-cxc9-4fr9
web
-
nvd.nist.gov
/vuln/detail/CVE-2022-29866
advisory
-
github.com
/OPCFoundation/UA-.NETStandard
package
Sources
- CVE List CVE-2022-29866
- GitHub Advisory GHSA-6fp8-cxc9-4fr9
- NVD CVE-2022-29866
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