CVE-2018-4840

mediumPriorität · verfolgen · 31OT-Risiko · erhöhtEPSS 0.018 · 78. PerzentilDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.78% (78th) EPSS
CVSS 5 · medium
Is it mine?
41 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

A vulnerability has been identified in DIGSI 4 (All versions < V4.92), EN100 Ethernet module DNP3 variant (All versions < V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • BehobenDIGSI 4siemens_psirt

    Update to V4.92

    https://support.industry.siemens.com/cs/ww/en/view/109740980
  • BehobenEN100 Ethernet module DNP3 variantsiemens_psirt

    Update to V1.05.00 and configure DIGSI 4 connection password

    https://support.industry.siemens.com/cs/us/en/view/109745821
  • BehobenEN100 Ethernet module IEC 61850 variantsiemens_psirt

    Update to V4.30 and configure DIGSI 4 connection password

    https://support.industry.siemens.com/cs/us/en/view/109745821
  • BehobenDIGSI 4cisa_csaf_ot

    Update to V4.92

    https://support.industry.siemens.com/cs/ww/en/view/109740980
  • BehobenEN100 Ethernet module DNP3 variantcisa_csaf_ot

    Update to V1.05.00 and configure DIGSI 4 connection password

    https://support.industry.siemens.com/cs/us/en/view/109745821
  • BehobenEN100 Ethernet module IEC 61850 variantcisa_csaf_ot

    Update to V4.30 and configure DIGSI 4 connection password

    https://support.industry.siemens.com/cs/us/en/view/109745821
  • MitigationDIGSI 4siemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module DNP3 variantsiemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module IEC 104 variantsiemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module IEC 61850 variantsiemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module Modbus TCP variantsiemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module PROFINET IO variantsiemens_psirt

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationDIGSI 4cisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module DNP3 variantcisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module IEC 104 variantcisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module IEC 61850 variantcisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module Modbus TCP variantcisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • MitigationEN100 Ethernet module PROFINET IO variantcisa_csaf_ot

    Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions.

  • Kein Fix verfügbarEN100 Ethernet module IEC 104 variantsiemens_psirt

    Currently no remediation is available

  • Kein Fix verfügbarEN100 Ethernet module Modbus TCP variantsiemens_psirt

    Currently no remediation is available

  • Kein Fix verfügbarEN100 Ethernet module PROFINET IO variantsiemens_psirt

    Currently no remediation is available

  • Kein Fix verfügbarEN100 Ethernet module IEC 104 variantcisa_csaf_ot

    Currently no remediation is available

  • Kein Fix verfügbarEN100 Ethernet module Modbus TCP variantcisa_csaf_ot

    Currently no remediation is available

  • Kein Fix verfügbarEN100 Ethernet module PROFINET IO variantcisa_csaf_ot

    Currently no remediation is available

02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6
v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:Csecondary · CISA US
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-284USCWE-306USCWE-306USCWE-306US
04

betroffene Produkte (41)

Betroffene Produkte und Versionsbereiche.

20 von 41 angezeigt
05

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

  • SSA-203306SSA-203306: Password Vulnerabilities in SIPROTEC 4 and SIPROTEC Compact Relay Families2018-03-08csaf · siemens_psirtDE

    SIPROTEC 4 and SIPROTEC Compact devices could allow access authorization passwords to be reconstructed or overwritten via engineering mechanisms that involve DIGSI 4 and EN100 Ethernet communication modules. Siemens has released updates for several affected products, and recommends specific countermeasures for the remaining products.

  • ICSA-18-067-01Siemens SIPROTEC 4, SIPROTEC Compact, DIGSI 4, and EN100 Ethernet Module (Update D)2018-03-08icsa · cisa_csaf_otUS

    SIPROTEC 4 and SIPROTEC Compact devices could allow access authorization passwords to be reconstructed or overwritten via engineering mechanisms that involve DIGSI 4 and EN100 Ethernet communication modules. Siemens has released updates for several affected products, and recommends specific countermeasures for the remaining products.

06

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvdenisa_euvdfstec_bducisa_csaf_otsiemens_psirtNVDCVE.orgMITRE
veröffentlicht 2018-03-08geändert 2026-06-17
08

Referenzen (5)

Externe Belege — Patches, Meldungen, Analysen.

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