CVE-2025-40585

criticalpriority · track · 0OT risk · elevatedEPSS 0.004 · 33 %ileDEEUNLRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.40% (33rd) EPSS
CVSS 9.9 · critical
Is it mine?
105 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 Energy Services (All versions with G5DFR). Affected solutions using G5DFR contain default credentials. This could allow an attacker to gain control of G5DFR component and tamper with outputs from the device.

01

remediations

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

A vendor fix is available.

  • FixedEnergy Servicessiemens_psirt

    Use the G5DFR web interface to change the default usernames, passwords and permission levels. Contact customer support for further assistance

  • FixedEnergy Servicescisa_csaf_ot

    Use the G5DFR web interface to change the default usernames, passwords and permission levels. Contact customer support for further assistance

02

cvss

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

9.9
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9.9

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · NCSC-NL NL
v3.19.9criticalAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · FSTEC (BDU) RU
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · productcert@siemens.com DEexploitability 3.9 · impact 5.3
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · Siemens ProductCERT DE
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · CISA US
v4.09.5criticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:Lsecondary · ENISA EU
v4.09.5criticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L/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
v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L/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.

05

affected products (105)

Products and version ranges known to be affected.

06

advisories (3)

Vendor and ecosystem advisories describing this.

  • NCSC-2025-0187Kwetsbaarheden verholpen in Siemens productenNL2025-06-10csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als RUGGEDCOM, SCALANCE, SIMATIC en Tecnomatix

  • SSA-345750SSA-345750: Default Credentials in Energy Services Using Elspec G5DFR2025-06-10csaf · siemens_psirtDE

    Energy Services from Siemens (previously known as Managed Applications and Services), sell solutions using Elspec G5 Digital Fault Recorder which contains default credentials with admin privileges. A client configuration with remote access could allow an attacker to gain remote control of the G5DFR component and tamper outputs from the device.

  • ICSA-25-162-06Siemens Energy Services2025-06-10icsa · cisa_csaf_otUS

    Siemens Energy Services (previously known as Managed Applications and Services), sell solutions using Elspec G5 Digital Fault Recorder which contains default credentials with admin privileges. A client configuration with remote access could allow an attacker to gain remote control of the G5DFR component and tamper outputs from the device.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (4)

External citations — patches, advisories, analysis.

scry

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