Overview
- Description
- An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote attacker to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 5.3
- Impact score
- 3.6
- Exploitability score
- 1.6
- Vector string
- CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 3.5
- Impact score
- 2.9
- Exploitability score
- 6.8
- Vector string
- AV:N/AC:M/Au:S/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-320
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opcfoundation:ua-.net-legacy:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C7100704-279B-4C7E-B3C4-420BC1E6D2B6",
"versionEndIncluding": "1.03.342"
},
{
"criteria": "cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DC8EA7B6-ECC8-40B8-8BE5-26C76E0112E9",
"versionEndIncluding": "1.03.352.10"
}
],
"operator": "OR"
}
]
}
]