CVE-2023-46285

HIGH

7.5

CVSS Score

Published: December 12, 2023 at 11:27 AM UTC

Updated: June 17, 2026 at 06:30 AM UTC

6 products affected across 1 vendorSIMATIC PCS neoOpcenter QualityTotally Integrated Automation Portal

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Severity

HIGH7.5

Exploit prediction

EPSS 0.9%

SSVC

No known exploit

Description

A vulnerability has been identified in Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMATIC PCS neo (All versions < V4.1), SINEC NMS (All versions < V2.0 SP1), Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 3). The affected application contains an improper input validation vulnerability that could allow an attacker to bring the service into a Denial-of-Service state by sending a specifically crafted message to 4004/tcp. The corresponding service is auto-restarted after the crash is detected by a watchdog.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opcenter Quality · Siemens

95%

v < V2312

Affected range stops below V2312, so it looks safe — our inference, not a vendor statement

SIMATIC PCS neo · Siemens

95%

v < 4.1v < V4.1

Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement

Affected range stops below V4.1, so it looks safe — our inference, not a vendor statement

Sinumerik Integrate Runmyhmi /automotive · Siemens

95%

All versions

Totally Integrated Automation Portal · Siemens

95%

v < V17 Update 8v < V18 Update 314.0 ≤ v < 1515 ≤ v < 1616 ≤ v < 1717 ≤ v < 1818 18 update_1

Affected range stops below 15, so it looks safe — our inference, not a vendor statement

Affected range stops below 16, so it looks safe — our inference, not a vendor statement

Affected range stops below 17, so it looks safe — our inference, not a vendor statement

Affected range stops below 18, so it looks safe — our inference, not a vendor statement

Affected range stops below V17 Update 8, so it looks safe — our inference, not a vendor statement

Affected range stops below V18 Update 3, so it looks safe — our inference, not a vendor statement

Opcenter Execution Foundation · Siemens

60%

v < V2407

Affected range stops below V2407, so it looks safe — our inference, not a vendor statement

SINEC NMS · Siemens

60%

v < V2.0 SP1

Affected range stops below V2.0 SP1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdf

References (2)

Source: [email protected]

https://cert-portal.siemens.com/productcert/html/ssa-999588.html

PatchVendor Advisory

Source: [email protected]

https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdf

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsiemens

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20NVD-CWE-noinfo

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