CVE-2017-12069

Name: CVE-2017-12069
Creator: NVD / NIST
Published: 2017-08-30T19:29:00.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.90%

Last modified Jun 17, 2026

CVE-2017-12069 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.90% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.90%

85.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

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

References

http://www.securityfocus.com/bid/100559Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039510
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdfPatch, Vendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdfVendor Advisory
http://www.securityfocus.com/bid/100559Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039510
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdfPatch, Vendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdfVendor Advisory

Timeline

Published: Aug 30, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12069?

How severe is CVE-2017-12069?

Severity scoring for CVE-2017-12069 is pending analysis. The EPSS model estimates a 2.90% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12069?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12069?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST