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CVE-2017-12069

Published: Aug 30, 2017Updated: May 13, 2026 Sources: CVE List NVD csafCWE-611
NVD MITRE
8.2CVSSHIGH
EPSS Score
2.9%
Top 14.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-611

Affected Products

n/an/a
simatic pcs7siemensICS / OT / IoT
winccsiemensICS / OT / IoT
local discovery serverocpfoundation
Library
OSS Libraries / web-framework
ua .netocpfoundation
Library
OSS Libraries / web-framework
siemenscommercialDEEnterprise Softwareaka siemens ag
ocpfoundationoss-projectOSS Librariesaka ua .net, local discovery server

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Initial Access
View detailed technique mapping

References

https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12069.pdf
opcfoundation-onlineapplications.org
http://www.securitytracker.com/id/1039510
securitytracker.com
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-535640.pdf
siemens.com
and 15 more references View all →

Timeline

Published
Aug 30, 2017
Last Updated
May 13, 2026

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