CVE-2023-46284

Name: CVE-2023-46284
Creator: NVD / NIST
Published: 2023-12-12T12:15:14.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2023-46284 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 out of bounds write past the end of an allocated buffer when handling specific requests on port 4002/tcp and 4004/tcp. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

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 out of bounds write past the end of an allocated buffer when handling specific requests on port 4002/tcp and 4004/tcp. This could allow an attacker to crash the application. The corresponding service is auto-restarted after the crash.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.91%

55.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Opcenter Quality	All versions
Siemens	Simatic Pcs Neo	< 4.1
Siemens	Sinumerik Integrate Runmyhmi \/Automotive	All versions
Siemens	Totally Integrated Automation Portal	>= 14.0, < 15
Siemens	Totally Integrated Automation Portal	>= 15, < 16
Siemens	Totally Integrated Automation Portal	>= 16, < 17
Siemens	Totally Integrated Automation Portal	>= 17, < 18
Siemens	Totally Integrated Automation Portal	All versions
Siemens	Totally Integrated Automation Portal	18

References

https://cert-portal.siemens.com/productcert/html/ssa-999588.html
https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-999588.html
https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdfPatch, Vendor Advisory

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46284?

How severe is CVE-2023-46284?

CVE-2023-46284 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46284?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46284?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST