CVE-2025-30174

highpriority · track · 0EPSS 0.006 · 51 %ileDEEUNLRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.65% (51st) EPSS
CVSS 7.5 · high
Is it mine?
597 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V4.0), SINEMA Remote Connect (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions), User Management Component (UMC) (All versions < V2.15.1.1). Affected products contain a out of bound read buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.

01

remediations

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

A vendor fix is available.

  • FixedSINEC NMSsiemens_psirt

    Update to V4.0 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109989514/
  • FixedSINEMA Remote Connectsiemens_psirt

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V19siemens_psirt

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V20siemens_psirt

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

  • FixedUser Management Component (UMC)siemens_psirt

    Update to V2.15.1.1 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109987708/
  • FixedSINEC NMScisa_csaf_ot

    Update to V4.0 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109989514/
  • FixedSINEMA Remote Connectcisa_csaf_ot

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V19cisa_csaf_ot

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

  • FixedTotally Integrated Automation Portal (TIA Portal) V20cisa_csaf_ot

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

  • FixedUser Management Component (UMC)cisa_csaf_ot

    Update to V2.15.1.1 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109987708/
  • MitigationSIMATIC PCS neo V4.1siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSIMATIC PCS neo V5.0siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSINEC NMSsiemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSINEMA Remote Connectsiemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V19siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V20siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationUser Management Component (UMC)siemens_psirt

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSIMATIC PCS neo V4.1cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSIMATIC PCS neo V5.0cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSINEC NMScisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationSINEMA Remote Connectcisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V19cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationTotally Integrated Automation Portal (TIA Portal) V20cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • MitigationUser Management Component (UMC)cisa_csaf_ot

    In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely

  • No fix plannedSIMATIC PCS neo V4.1siemens_psirt

    Currently no fix is planned

  • No fix plannedSIMATIC PCS neo V5.0siemens_psirt

    Currently no fix is planned

  • No fix plannedSIMATIC PCS neo V4.1cisa_csaf_ot

    Currently no fix is planned

  • No fix plannedSIMATIC PCS neo V5.0cisa_csaf_ot

    Currently no fix is planned

02

cvss

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

8.7
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · productcert@siemens.com DEexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Siemens ProductCERT DE
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US
v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
v4.06.6mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USCWE-125USCWE-125USCWE-125USCWE-125US
05

affected products (597)

Products and version ranges known to be affected.

showing 20 of 597
06

advisories (3)

Vendor and ecosystem advisories describing this.

  • NCSC-2025-0160Kwetsbaarheden verholpen in Siemens productenNL2025-05-14csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als Apogee, BacNet ATEC, Desigo CC, Intralog, OZW, Polarion, RUGGEDCOM, SICAM, SIMATIC, SIPROTEC, SIRIUS, Teamcenter en Versicharge

  • SSA-614723SSA-614723: Denial of Service Vulnerabilities in User Management Component (UMC)2025-05-13csaf · siemens_psirtDE

    Siemens User Management Component (UMC) is affected by three vulnerabilities which could allow an unauthenticated remote attacker to cause a denial of service condition. 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.

  • ICSA-25-135-09Siemens User Management Component (UMC)2025-05-13icsa · cisa_csaf_otUS

    Siemens User Management Component (UMC) is affected by three vulnerabilities which could allow an unauthenticated remote attacker to cause a denial of service condition. 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 (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otncsc_nlsiemens_psirtNVDCVE.orgMITRE
published 2025-05-13modified 2026-06-17
09

references (6)

External citations — patches, advisories, analysis.

scry

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