CVE-2026-54799

mediumPriorität · verfolgen · 0OT-Risiko · erhöhtEPSS 0.002 · 8. PerzentilDEEUNLUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.18% (8th) EPSS
CVSS 6.7 · medium
Is it mine?
54 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · cisa_csaf_ot · ncsc_nl

EPSS · bewertet 2026-10-26

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains a vulnerability in its firmware update mechanism's signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise.

01

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

  • BehobenCPCI85 Central Processing/Communicationsiemens_psirt

    Update to V26.20 or later version The firmware CPCI85 V26.20 is present within “CP-8031/CP-8050 Package” V26.20 https://support.industry.siemens.com/cs/ww/en/view/109804985/ and also within “SICAM EGS Package” V26.20 https://support.industry.siemens.com/cs/document/109972536/

  • BehobenSICORE Base systemsiemens_psirt

    Update to V26.20.0 or later version The firmware SICORE V26.20.0 is present within “CP-8010/CP-8012 Package” V26.20 https://support.industry.siemens.com/cs/ww/en/view/109972894/ and also within “SICAM S8000 Package” V26.20 https://support.industry.siemens.com/cs/document/109818240

  • BehobenCPCI85 Central Processing/Communicationcisa_csaf_ot

    Update to V26.20 or later version The firmware CPCI85 V26.20 is present within “CP-8031/CP-8050 Package” V26.20 https://support.industry.siemens.com/cs/ww/en/view/109804985/ and also within “SICAM EGS Package” V26.20 https://support.industry.siemens.com/cs/document/109972536/

  • BehobenSICORE Base systemcisa_csaf_ot

    Update to V26.20.0 or later version The firmware SICORE V26.20.0 is present within “CP-8010/CP-8012 Package” V26.20 https://support.industry.siemens.com/cs/ww/en/view/109972894/ and also within “SICAM S8000 Package” V26.20 https://support.industry.siemens.com/cs/document/109818240

02

cvss

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

8.4
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.7–8.4

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEAusnutzbarkeit 0.8 · Auswirkung 5.9
v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE
v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL
v4.08.4highCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.08.4highCVSS:4.0/AV:L/AC:L/AT:N/PR:H/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
v4.05.7mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:H/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)
03

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

05

betroffene Produkte (54)

Betroffene Produkte und Versionsbereiche.

06

Advisories (4)

Hersteller- und Ökosystem-Meldungen dazu.

  • NCSC-2026-0225Kwetsbaarheden verholpen in Siemens SICORENL2026-07-13csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in SICORE Base systemen, specifiek in versies onder V26.20.

  • NCSC-2026-0346Kwetsbaarheden verholpen in Siemens productenNL2026-09-08csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als Desigo, Reyrolle, SIMATIC, SCALANCE, SINAMICS en Siveillance.

  • SSA-229470SSA-229470: Multiple Vulnerabilities in SICAM 8 Products Before V26.202026-07-09csaf · siemens_psirtDE

    Multiple SICAM 8 products are affected by multiple vulnerabilities that could lead to denial of service, namely: - SICAM A8000 Device firmware - CPCI85 for CP-8031/CP-8050 - SICORE for CP-8010/CP-8012 - SICAM EGS Device firmware - CPCI85 - SICAM S8000 - SICORE Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-26-197-05Siemens SICAM 82026-07-09icsa · cisa_csaf_otUS

    Multiple SICAM 8 products are affected by multiple vulnerabilities that could lead to denial of service, namely: - SICAM A8000 Device firmware - CPCI85 for CP-8031/CP-8050 - SICORE for CP-8010/CP-8012 - SICAM EGS Device firmware - CPCI85 - SICAM S8000 - SICORE Siemens has released new versions for the affected products and recommends to update to the latest versions.

07

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

08

quellen

Welche Quellen diesen Datensatz belegen und wann.

09

Referenzen (3)

Externe Belege — Patches, Meldungen, Analysen.

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