Overview
- Description
- An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.2
- Impact score
- 4.2
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.4
- Impact score
- 4.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-611
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:simatic_pcs7:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D6D19542-FDC9-4CBC-A75A-370DE4B4C929",
"versionEndIncluding": "8.1"
},
{
"criteria": "cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0C4AD3A6-D8F1-4DE0-9B08-25F95753F666",
"versionEndIncluding": "7.4"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ocpfoundation:local_discovery_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B5A47D3C-FE15-48DC-9A2B-C2F4A1B74AD6",
"versionEndIncluding": "1.01.333.0"
},
{
"criteria": "cpe:2.3:a:ocpfoundation:ua_.net:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FE0DC426-A197-41CF-A2D3-C2A959736F80",
"versionEndIncluding": "2017-03-21"
}
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"operator": "OR"
}
]
}
]