CVE-2018-12087
Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
- Record
CVE-2018-12087- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
- Record
CVE-2018-12087- Updated
- 2026-11-02
EUVDEUVD-2018-0542 No score
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
- Record
EUVD-2018-0542- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8336-mxp6-v5h9
Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
- Record
GHSA-8336-mxp6-v5h9- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVGHSA-8336-mxp6-v5h9
Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
- Record
GHSA-8336-mxp6-v5h9- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
OPCFoundation.NetStandard.Opc.UaNuGet |
through 1.4.352.12 | 1.4.353.15 |
OPCFoundation.NetStandard.Opc.UaNuGet |
before 1.4.353.15, plus listed versions 0.4.00.4.10.4.30.4.40.4.5 Show 15 moreShow less1.3.3481.3.3491.3.3501.3.350.11.3.350.31.3.350.41.3.350.51.3.350.61.3.351.71.3.352.101.3.352.111.3.352.121.3.352.91.4.353.131.4.353.14 |
1.4.353.15 |
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-2018-12087 is a medium vulnerability (CVSS 5.3) in Opcfoundation Ua-.net-legacy, published October 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in OPCFoundation.NetStandard.Opc.Ua 1.4.353.15.