Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Pcs7 | <= 8.1 |
| Siemens | Wincc | <= 7.4 |
| Ocpfoundation | Local Discovery Server | <= 1.01.333.0 |
| Ocpfoundation | Ua .Net | <= 2017-03-21 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/100559Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039510
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_FoundatioPatchVendor Advisory
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdfVendor Advisory
- http://www.securityfocus.com/bid/100559Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039510
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_FoundatioPatchVendor Advisory
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdfVendor Advisory
FAQ
What is CVE-2017-12069?
CVE-2017-12069 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 ...
How severe is CVE-2017-12069?
CVE-2017-12069 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12069?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Pcs7, Siemens Wincc, Ocpfoundation Local Discovery Server, Ocpfoundation Ua .Net.