CVE-2025-40771

criticalPriorität · verfolgen · 0OT-Risiko · erhöhtEPSS 0.005 · 44. PerzentilDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (44th) EPSS

CVSS 9.8 · critical

Is it mine?

41 products

Prüfe deine Angriffsfläche

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

BehobenSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
BehobenSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Update to V2.4.24 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995159/
MitigationSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Restrict access to the affected systems to trusted IP addresses only
MitigationSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only
MitigationSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only
MitigationSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only
MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Restrict access to the affected systems to trusted IP addresses only

cvss

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

9.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · 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:Hsecondary · 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 DEAusnutzbarkeit 3.9 · Auswirkung 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)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Trackcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-306USCWE-306USCWE-306USCWE-306USCWE-306US

betroffene Produkte (41)

Betroffene Produkte und Versionsbereiche.

SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)alle Versionencisa_csaf_otUS
SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)alle Versionencisa_csaf_otUS
SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)alle Versionencisa_csaf_otUS
SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)alle Versionencisa_csaf_otUS
SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)alle Versionencisa_csaf_otUS
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)alle Versionencisa_csaf_otUS
Siemens SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)≤ vers:intdot/<2.4.24cisa_csaf_otUS
Siemens SIMATIC CP 1542SP-10 → V2.4.24enisa_euvdEU
Siemens SIMATIC CP 1542SP-1 IRC0 → V2.4.24enisa_euvdEU
Siemens SIMATIC CP 1543SP-10 → V2.4.24enisa_euvdEU
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL0 → V2.4.24enisa_euvdEU
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC0 → V2.4.24enisa_euvdEU
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL0 → V2.4.24enisa_euvdEU
Siemens AG SIMATIC CP 1542SP-1≤ 2.4.24fstec_bduRU
Siemens AG SIMATIC CP 1542SP-1 IRC≤ 2.4.24fstec_bduRU

20 von 41 angezeigt

Advisories (3)

Hersteller- und Ökosystem-Meldungen dazu.

NCSC-2025-0309Kwetsbaarheden verholpen in Siemens productenNL2025-10-14csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als SIMATIC, SINEC, SIPLUS en Solid Edge.
SSA-486936SSA-486936: Authentication Vulnerability in SIMATIC ET 200SP Communication Processors2025-10-14csaf · siemens_psirtDE
SIMATIC ET 200SP communication processors (CP 1542SP-1, CP 1542SP-1 IRC and CP 1543SP-1, incl. SIPLUS variants) contain an authentication vulnerability that could allow an unauthenticated remote attacker to access the configuration data. Siemens has released new versions for the affected products and recommends to update to the latest versions.
ICSA-25-289-07Siemens SIMATIC ET 200SP Communication Processors2025-10-14icsa · cisa_csaf_otUS
SIMATIC ET 200SP communication processors (CP 1542SP-1, CP 1542SP-1 IRC and CP 1543SP-1, incl. SIPLUS variants) contain an authentication vulnerability that could allow an unauthenticated remote attacker to access the configuration data. Siemens has released new versions for the affected products and recommends to update to the latest versions.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot ncsc_nl siemens_psirt NVD CVE.org MITRE

veröffentlicht 2025-10-14geändert 2026-10-23

Referenzen (4)

Externe Belege — Patches, Meldungen, Analysen.

scry

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