CVE-2025-24009

mediumpriority · track · 0EPSS 0.004 · 36 %ileDEEUNLRUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.43% (36th) EPSS
CVSS 5.9 · medium
Is it mine?
554 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-23

A vulnerability has been identified in SIRIUS 3RK3 Modular Safety System (MSS) (All versions), SIRIUS Safety Relays 3SK2 (All versions). The affected devices do not require authentication to access critical resources. An attacker with network access could retrieve sensitive information from certain data records, including obfuscated safety passwords.

01

remediations

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

No vendor fix yet; a mitigation is available.

  • MitigationSIRIUS 3RK3 Modular Safety System (MSS)siemens_psirt

    Ensure network isolation of the PROFINET interface to prevent access from unauthorized systems

  • MitigationSIRIUS Safety Relays 3SK2siemens_psirt

    Ensure network isolation of the PROFINET interface to prevent access from unauthorized systems

  • MitigationSIRIUS 3RK3 Modular Safety System (MSS)cisa_csaf_ot

    Ensure network isolation of the PROFINET interface to prevent access from unauthorized systems

  • MitigationSIRIUS Safety Relays 3SK2cisa_csaf_ot

    Ensure network isolation of the PROFINET interface to prevent access from unauthorized systems

  • No fix availableSIRIUS Safety Relays 3SK2siemens_psirt

    Currently no fix is available

  • No fix availableSIRIUS Safety Relays 3SK2cisa_csaf_ot

    Currently no fix is available

  • No fix plannedSIRIUS 3RK3 Modular Safety System (MSS)siemens_psirt

    Currently no fix is planned

  • No fix plannedSIRIUS 3RK3 Modular Safety System (MSS)cisa_csaf_ot

    Currently no fix is planned

02

cvss

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

8.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · NCSC-NL NL
v3.15.9mediumAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · productcert@siemens.com DEexploitability 2.2 · impact 3.6
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · Siemens ProductCERT DE
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US
v4.08.2highCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.08.2highCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
v4.04.6mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USCWE-732USCWE-732USCWE-732USCWE-732US
05

affected products (554)

Products and version ranges known to be affected.

showing 20 of 554
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-222768SSA-222768: Multiple Vulnerabilities in SIRIUS 3SK2 Safety Relays and 3RK3 Modular Safety Systems2025-05-13csaf · siemens_psirtDE

    SIRIUS 3SK2 Safety Relays and 3RK3 Modular Safety Systems only provide weak password obfuscation. An attacker with access to the PROFINET or serial interface of the device could eavesdrop or read the stored password from the device and de-obfuscate it. The safety passwords work as protection against unauthorized operation (i.e., protection against inadvertent operating errors) but not as protection against malicious access attempts. Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available.

  • ICSA-25-135-13Siemens SIRIUS2025-05-13icsa · cisa_csaf_otUS

    SIRIUS 3SK2 Safety Relays and 3RK3 Modular Safety Systems only provide weak password obfuscation. An attacker with access to the PROFINET or serial interface of the device could eavesdrop or read the stored password from the device and de-obfuscate it. The safety passwords work as protection against unauthorized operation (i.e., protection against inadvertent operating errors) but not as protection against malicious access attempts. Siemens is preparing fix versions and recommends 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 (4)

External citations — patches, advisories, analysis.

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