An issue was discovered in OPC Foundation OPCFoundation/UA-.NETStandard through…
Priority LOW 31CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-770.
Summary
An issue was discovered in OPC Foundation OPCFoundation/UA-.NETStandard through 1.5.374.78. A remote attacker can send requests with invalid credentials and cause the server performance to degrade gradually.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00504 43rd percentileScored 2026-11-07
Fix Fixed OPCFoundation.NetStandard.Opc.Ua (NuGet): 1.5.374.118OPCFoundation.NetStandard.Opc.Ua.Core (NuGet): 1.5.374.118
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | OPCFoundation.NetStandard.Opc.Ua (NuGet) | before 1.5.374.118 | 1.5.374.118 | Patch available | GHSA-7vfh-cqpc-4267 |
| — | OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) | before 1.5.374.118 | 1.5.374.118 | Patch available | GHSA-7vfh-cqpc-4267 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- OPCFoundation.NetStandard.Opc.Ua (NuGet) Vendor— Affected before 1.5.374.118 Fixed in 1.5.374.118 Patch available GHSA-7vfh-cqpc-4267
- OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) Vendor— Affected before 1.5.374.118 Fixed in 1.5.374.118 Patch available GHSA-7vfh-cqpc-4267
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:* | — | — | OPC Foundation |
- cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:* Versions — — ·OPC Foundation
Remediation
- Fix · GHSA-7vfh-cqpc-4267 OPCFoundation.NetStandard.Opc.Ua (NuGet) Fixed in 1.5.374.118 Advisory →
- Fix · GHSA-7vfh-cqpc-4267 OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) Fixed in 1.5.374.118 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45526
- 2026-10-03 Alias added: GHSA-7vfh-cqpc-4267
References
Sources
- CVE-2024-45526 · CVE Program
- CVE-2024-45526 · NVD
- FIRST EPSS
- GHSA-7vfh-cqpc-4267 · 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