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Fencer Vulns
high 7.5

CVE-2023-46284 json

A vulnerability has been identified in Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMAT…

published 2023-12-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-50509

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

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.

Patch / fix

  • Siemens Opcenter Execution Foundation V2407
  • Siemens Opcenter Quality V2312
  • Siemens SIMATIC PCS neo V4.1
  • Siemens SINEC NMS V2.0 SP1
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17 V17 Update 8
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18 V18 Update 3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-348-03 updated cvss 7.5

Siemens User Management Component (UMC)

  • Siemens Opcenter Execution Foundation < V2407
    affected: fixed in V2407, workaround
  • Siemens Opcenter Quality < V2312
    affected: fixed in V2312, workaround
  • Siemens SIMATIC PCS neo < V4.1
    affected: fixed in V4.1, workaround
  • Siemens SINEC NMS <V2.0_SP1
    affected: fixed in V2.0, workaround support.industry.siemens.com
  • Siemens Totally Integrated Automation Portal (TIA Portal) V14 Siemens Totally Integrated Automation Portal (TIA Portal) V15.1 Siemens Totally Integrated Automation Portal (TIA Portal) V16
    affected: workaround, no fix planned
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17 <V17_Update_8
    affected: fixed in V17, workaround
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18 <V18_Update_3
    affected: fixed in V18, workaround

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Siemens Opcenter Execution Foundation
  • Siemens Opcenter Quality
  • Siemens SIMATIC PCS neo
  • Siemens SINEC NMS
  • Siemens Totally Integrated Automation Portal (TIA Portal) V14
  • Siemens Totally Integrated Automation Portal (TIA Portal) V15.1
  • Siemens Totally Integrated Automation Portal (TIA Portal) V16
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.