CVE-2017-12069

mediumpriority · track · 34EPSS 0.029 · 87 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.90% (87th) EPSS

CVSS 6.4 · medium

Is it mine?

23 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-24

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedSIMATIC IT Production Suitesiemens_psirt
Update to V7.1 or later version
FixedSIMATIC NET PC Software V14siemens_psirt
Update to V14 SP1 Update 14 or later version
https://support.industry.siemens.com/cs/ww/en/view/109807351/
FixedSIMATIC WinCC Runtime Professional V14siemens_psirt
Update to V14 SP1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109746276
FixedSIMATIC IT Production Suitecisa_csaf_ot
Update to V7.1 or later version
FixedSIMATIC NET PC Software V14cisa_csaf_ot
Update to V14 SP1 Update 14 or later version
https://support.industry.siemens.com/cs/ww/en/view/109807351/
FixedSIMATIC WinCC Runtime Professional V14cisa_csaf_ot
Update to V14 SP1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109746276
MitigationSIMATIC IT Production Suitesiemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC NET PC Software V14siemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC PCS 7siemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCCsiemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCC Runtime Professional V13siemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCC Runtime Professional V14siemens_psirt
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC IT Production Suitecisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC NET PC Software V14cisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC PCS 7cisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCCcisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCC Runtime Professional V13cisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
MitigationSIMATIC WinCC Runtime Professional V14cisa_csaf_ot
Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461
No fix plannedSIMATIC PCS 7siemens_psirt
Currently no fix is planned
No fix plannedSIMATIC WinCCsiemens_psirt
Currently no fix is planned
No fix plannedSIMATIC WinCC Runtime Professional V13siemens_psirt
Currently no fix is planned
No fix plannedSIMATIC PCS 7cisa_csaf_ot
Currently no fix is planned
No fix plannedSIMATIC WinCCcisa_csaf_ot
Currently no fix is planned
No fix plannedSIMATIC WinCC Runtime Professional V13cisa_csaf_ot
Currently no fix is planned

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–8.2

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 4.2

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimaryCWE-611USCWE-611US

affected products (23)

Products and version ranges known to be affected.

SIMATIC IT Production Suiteall versionscisa_csaf_otUS
SIMATIC NET PC Software V14all versionscisa_csaf_otUS
SIMATIC PCS 7all versionscisa_csaf_otUS
SIMATIC WinCCall versionscisa_csaf_otUS
SIMATIC WinCC Runtime Professional V13all versionscisa_csaf_otUS
SIMATIC WinCC Runtime Professional V14all versionscisa_csaf_otUS
Siemens SIMATIC IT Production SuiteV6.5_and_ → V7.1cisa_csaf_otUS
Siemens SIMATIC NET PC Software V14< V14_SP1_Update_14cisa_csaf_otUS
Siemens SIMATIC PCS 7≤ 8.0|8.1cisa_csaf_otUS
Siemens SIMATIC WinCC< V7.2cisa_csaf_otUS
Siemens SIMATIC WinCC Runtime Professional V13≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC WinCC Runtime Professional V14< V14_SP1cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
ocpfoundation local discovery server≤ 1.01.333.0nvdUScpe:2.3:a:ocpfoundation:local_discovery_server:*:*:*:*:*:*:*:*
ocpfoundation ua .net≤ 2017-03-21nvdUScpe:2.3:a:ocpfoundation:ua_.net:*:*:*:*:*:*:*:*
siemens simatic pcs7≤ 8.1nvdUScpe:2.3:a:siemens:simatic_pcs7:*:*:*:*:*:*:*:*
siemens wincc≤ 7.4nvdUScpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*
Siemens SIMATIC IT Production Suite≤ All Versions >= V6.5 and < V7.1siemens_psirtDE
Siemens SIMATIC NET PC Software V14< V14 SP1 Update 14siemens_psirtDE
Siemens SIMATIC PCS 7≤ Versions V8.0, V8.1siemens_psirtDE

showing 20 of 23

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-535640SSA-535640: Vulnerability in Industrial Products2017-08-30csaf · siemens_psirtDE
Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069).
ICSA-17-243-01Siemens OPC UA Protocol Stack Discovery Service (Update E)2017-08-30icsa · cisa_csaf_otUS
Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069).

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2017-08-30modified 2026-06-17

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+1514 more

references (10)

External citations — patches, advisories, analysis.

scry

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