CVE-2017-12069: An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Dis

Q: How do I fix CVE-2017-12069?

simatic pcs7: upgrade to newer than 8.1; wincc: upgrade to newer than 7.4; local discovery server: upgrade to newer than 1.01.333.0. Exact commands for each OS are on this page.

Q: Is CVE-2017-12069 being exploited?

CVE-2017-12069 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-12069 affect?

CVE-2017-12069 affects simatic pcs7, wincc, local discovery server. Severity is high (CVSS 8.2). 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

Q: How urgent is CVE-2017-12069?

Priority 55/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.2REMOTEUPGRADEUPGRADEUPGRADE

CVE-2017-12069 is a high-severity flaw (CVSS 8.2) affecting simatic pcs7, wincc, local discovery server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-611
Published	2017-08-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ocpfoundation · siemens

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-08-30 19:29 UTCPublished CVE record published
2026-06-17 01:02 UTCUpdated Record last modified

siemens simatic pcs7 UPGRADE

Affected: <= 8.1

Fixed in: newer than 8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simatic-pcs7 || rpm -q simatic-pcs7 || simatic-pcs7 --version

2. UPGRADE to newer than 8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simatic-pcs7

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simatic-pcs7

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

siemens wincc UPGRADE

Affected: <= 7.4

Fixed in: newer than 7.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wincc || rpm -q wincc || wincc --version

2. UPGRADE to newer than 7.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wincc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wincc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

ocpfoundation local discovery server UPGRADE

Affected: <= 1.01.333.0

Fixed in: newer than 1.01.333.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy local-discovery-server || rpm -q local-discovery-server || local-discovery-server --version

2. UPGRADE to newer than 1.01.333.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade local-discovery-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade local-discovery-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

ocpfoundation ua .net UPGRADE

Affected: <= 2017-03-21

Fixed in: newer than 2017-03-21

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ua-.net || rpm -q ua-.net || ua-.net --version

2. UPGRADE to newer than 2017-03-21 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ua-.net

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ua-.net

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-12069?

simatic pcs7: upgrade to newer than 8.1; wincc: upgrade to newer than 7.4; local discovery server: upgrade to newer than 1.01.333.0. Exact commands for each OS are on this page.

Is CVE-2017-12069 being exploited?

CVE-2017-12069 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-12069 affect?

CVE-2017-12069 affects simatic pcs7, wincc, local discovery server. Severity is high (CVSS 8.2). 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

How urgent is CVE-2017-12069?

Priority 55/100. High severity; Remotely exploitable, no login, no user action

Software pages

Siemens vulnerabilities

Related CVEs

CVE-2017-14023 MEDIUM 4.9 DOWNGRADE DOWNGRADE An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V
CVE-2016-7165 MEDIUM 6.4 MITIGATE MITIGATE A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC IT Producti
CVE-2014-8552 MEDIUM 5.0 DOWNGRADE DOWNGRADE The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMAT
CVE-2014-8551 HIGH 10.0 DOWNGRADE DOWNGRADE The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMAT
CVE-2014-4686 MEDIUM 6.8 UPGRADE UPGRADE The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products

References

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