Simatic Pcs 7Application · Siemens

CVE-2019-10922

CRITICAL · 9.8 CVSS v3.1 Published 2019-05-14
Fix available
A fix is available. Upgrade to after 8.0 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 and newer (All versions), SIMATIC WinCC V7.2 and earlier (All versions), SIMATIC WinCC V7.3 and newer (All versions). An attacker with network access to affected installations, which are configured without "Encrypted Communication", can execute arbitrary code. The security vulnerability could be exploited by an unauthenticated attacker with network access to the affected installation. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Unauthenticated remote code execution vulnerability in Siemens SIMATIC PCS 7 and WinCC industrial control systems. Attackers with network access can execute arbitrary code on affected installations that do not have encrypted communication enabled, impacting confidentiality, integrity, and availability.

MitigationEnable encrypted communication on affected SIMATIC PCS 7 and WinCC installations to prevent exploitation. This is a configuration-based remediation that eliminates the attack vector.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Simatic Pcs 7Application
Affected:<= 8.0>= 8.1
Simatic WinccApplication
Affected:<= 7.2>= 7.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Siemens industrial software
    Check Windows Programs and Features or use the Siemens Automation License Manager to determine if SIMATIC PCS 7 or WinCC is installed on the system.
    Affected if Neither SIMATIC PCS 7 nor WinCC is installed, then this CVE does not apply.
  2. Determine installed version of SIMATIC PCS 7
    Open Siemens SIMATIC Manager or check the program properties in Windows Programs and Features to locate the version number.
    Affected if Version is 8.0 or lower, or version is 8.1 or higher.
  3. Determine installed version of WinCC
    Open WinCC Explorer or check the program properties in Windows Programs and Features to locate the version number.
    Affected if Version is 7.2 or lower, or version is 7.3 or higher.
  4. Verify encrypted communication status
    Inspect the security or communication settings within the SIMATIC PCS 7 or WinCC project configuration. Look for options related to encrypted channel or secure communication.
    Affected if Encrypted communication is disabled or not configured.

The environment is affected if SIMATIC PCS 7 or WinCC is installed with a version in the affected ranges AND encrypted communication is disabled, allowing unauthenticated remote attackers with network access to execute arbitrary code.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to a release after 8.0
Interim mitigation

Enable encrypted communication on affected SIMATIC PCS 7 and WinCC installations to prevent exploitation. This is a configuration-based remediation that eliminates the attack vector.

Fix this in Simatic Pcs 7 Scoped from the published advisory
  • Consultation12.0 h
  • Implementation16.0 h
  • Testing12.0 h
  • Review / QA8.0 h
48.0 hours of engineering $8,520
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Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-10922 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data