CVE-2024-33698

criticalpriority · track · 0EPSS 0.011 · 64 %ileDEEUNLRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.05% (64th) EPSS
CVSS 9.8 · critical
Is it mine?
73 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedOpcenter Qualitysiemens_psirt

    Update to V2406 or later version

  • FixedOpcenter RDnLsiemens_psirt

    Update to V2410 or later version

    https://support.sw.siemens.com/product/297341591/
  • FixedSIMATIC PCS neo V4.1siemens_psirt

    Update to V4.1 Update 2 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109972354/
  • FixedSIMATIC PCS neo V5.0siemens_psirt

    Update to V5.0 Update 1 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109977244/
  • FixedSINEC NMSsiemens_psirt

    Update UMC to V2.15.1.1 or later compatible version https://support.industry.siemens.com/cs/ww/en/view/109987708/

  • FixedSINEMA Remote Connect Clientsiemens_psirt

    Update to V3.2 SP3 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109976964/
  • FixedTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

    Update to V17 Update 8 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109784441/
  • FixedTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

    Update to V18 Update 5 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109817218/
  • FixedTotally Integrated Automation Portal (TIA Portal) V19siemens_psirt

    Update to V19 Update 3 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109925643/
  • FixedOpcenter Qualitycisa_csaf_ot

    Update to V2406 or later version

  • FixedOpcenter RDnLcisa_csaf_ot

    Update to V2410 or later version

    https://support.sw.siemens.com/product/297341591/
  • FixedSIMATIC PCS neo V4.1cisa_csaf_ot

    Update to V4.1 Update 2 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109972354/
  • FixedSIMATIC PCS neo V5.0cisa_csaf_ot

    Update to V5.0 Update 1 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109977244/
  • FixedSINEC NMScisa_csaf_ot

    Update UMC to V2.15.1.1 or later compatible version https://support.industry.siemens.com/cs/ww/en/view/109987708/

  • FixedSINEMA Remote Connect Clientcisa_csaf_ot

    Update to V3.2 SP3 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109976964/
  • FixedTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    Update to V17 Update 8 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109784441/
  • FixedTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    Update to V18 Update 5 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109817218/
  • FixedTotally Integrated Automation Portal (TIA Portal) V19cisa_csaf_ot

    Update to V19 Update 3 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109925643/
  • MitigationOpcenter Qualitysiemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationOpcenter RDnLsiemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V4.0siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V4.1siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V5.0siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSINEC NMSsiemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSINEMA Remote Connect Clientsiemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V16siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V19siemens_psirt

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationOpcenter Qualitycisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationOpcenter RDnLcisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V4.0cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V4.1cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSIMATIC PCS neo V5.0cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSINEC NMScisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationSINEMA Remote Connect Clientcisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • MitigationTotally Integrated Automation Portal (TIA Portal) V19cisa_csaf_ot

    Filter the ports 4002 and 4004 to only accept connections to/from the IP addresses of machines that run UMC and are part of the UMC network e.g. with an external firewall

  • No fix plannedSIMATIC PCS neo V4.0siemens_psirt

    Currently no fix is planned

  • No fix plannedTotally Integrated Automation Portal (TIA Portal) V16siemens_psirt

    Currently no fix is planned

  • No fix plannedSIMATIC PCS neo V4.0cisa_csaf_ot

    Currently no fix is planned

  • No fix plannedTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    Currently no fix is planned

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · NCSC-NL NL
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.09.3criticalCVSS: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:Xsecondary · productcert@siemens.com DE
v4.08.1highCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122USCWE-122USCWE-122USCWE-122US
05

affected products (73)

Products and version ranges known to be affected.

showing 20 of 73
06

advisories (4)

Vendor and ecosystem advisories describing this.

  • NCSC-2024-0362Kwetsbaarheden verholpen in Siemens productenNL2024-09-10csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als Mendix, SICAM, SIMATIC, SINEMA, SINUMERIK en Tecnomatix.

  • SSA-039007SSA-039007: Heap-based Buffer Overflow Vulnerability in User Management Component (UMC)2024-09-10csaf · siemens_psirtDE

    Siemens User Management Component (UMC) is affected by a heap-based buffer overflow vulnerability which could allow an unauthenticated remote attacker arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

  • WID-SEC-W-2024-2093Siemens TIA Portal: Schwachstelle ermöglicht CodeausführungDeutsch2024-09-09csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Siemens TIA Portal ausnutzen, um beliebigen Programmcode auszuführen.

  • ICSA-24-256-03Siemens User Management Component (UMC)2024-09-10icsa · cisa_csaf_otUS

    Siemens User Management Component (UMC) is affected by a heap-based buffer overflow vulnerability which could allow an unauthenticated remote attacker arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otncsc_nlsiemens_psirtNVDCVE.orgMITRE
published 2024-09-10modified 2026-06-17
09

references (6)

External citations — patches, advisories, analysis.

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