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Fencer Vulns
critical 9.8

CVE-2024-33698 json

A vulnerability has been identified in Opcenter Quality (All versions < V2406), Opcenter RDnL (All versions < V2410), SIMATIC PCS neo V4.0…

published 2024-09-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31410

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

A vulnerability has been identified in Opcenter Quality (All versions < V2406), Opcenter RDnL (All versions < V2410), SIMATIC PCS neo V4.0 (All versions), SIMATIC PCS neo V4.1 (All versions < V4.1 Update 2), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1), SINEC NMS (All versions), SINEMA Remote Connect Client (All versions < V3.2 SP3), 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 5), Totally Integrated Automation Portal (TIA Portal) V19 (All versions < V19 Update 3). Affected products contain a heap-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code.

Patch / fix

  • Siemens Opcenter Quality V2406
  • Siemens Opcenter RDnL V2410
  • Siemens SIMATIC PCS neo V4.1 V4.1 Update 2
  • Siemens SIMATIC PCS neo V5.0 V5.0 Update 1
  • Siemens SINEMA Remote Connect Client V3.2 SP3
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17 V17 Update 8
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18 V18 Update 5
  • Siemens Totally Integrated Automation Portal (TIA Portal) V19 V19 Update 3
  • siemens simatic_pcs_neo 4.1_update_2
  • siemens totally_integrated_automation_portal 17_update_8

Vendor advisories

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

cisa ICSA-24-256-03 updated cvss 9.8

Siemens User Management Component (UMC)

  • Siemens Opcenter Quality < 2406
    affected: fixed in V2406, mitigation
  • Siemens Opcenter RDnL < 2410
    affected: fixed in V2410, mitigation support.sw.siemens.com
  • Siemens SIMATIC PCS neo V4.0
    affected: mitigation, no fix planned
  • Siemens SIMATIC PCS neo V4.1 <V4.1_Update_2
    affected: fixed in V4.1, mitigation support.industry.siemens.com
  • Siemens SIMATIC PCS neo V5.0 <V5.0_Update_1
    affected: fixed in V5.0, mitigation support.industry.siemens.com
  • Siemens SINEC NMS
    affected: fixed in V2.15.1.1, mitigation
  • Siemens SINEMA Remote Connect Client <V3.2_SP3
    affected: fixed in V3.2, mitigation support.industry.siemens.com
  • Siemens Totally Integrated Automation Portal (TIA Portal) V16
    affected: mitigation, no fix planned
show 3 more
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17 <V17_Update_8
    affected: fixed in V17, mitigation support.industry.siemens.com
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18 <V18_Update_5
    affected: fixed in V18, mitigation support.industry.siemens.com
  • Siemens Totally Integrated Automation Portal (TIA Portal) V19 <V19_Update_3
    affected: fixed in V19, mitigation support.industry.siemens.com

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
total
Assessed
2 y ago

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Siemens Opcenter Quality
  • Siemens Opcenter RDnL
  • Siemens SIMATIC PCS neo V4.0
  • Siemens SIMATIC PCS neo V4.1
  • Siemens SIMATIC PCS neo V5.0
  • Siemens SINEC NMS
  • Siemens SINEMA Remote Connect Client
  • Siemens Totally Integrated Automation Portal (TIA Portal) V16
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18
  • Siemens Totally Integrated Automation Portal (TIA Portal) V19
  • siemens simatic_pcs_neo
  • siemens simatic_information_server
  • siemens totally_integrated_automation_portal

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

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.