CVE-2024-39601

mediumpriority · track · 0OT risk · elevatedEPSS 0.005 · 44 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 6.5 · medium

Is it mine?

12 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-22

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V5.40), SICORE Base system (All versions < V1.4.0). Affected devices allow a remote authenticated user or an unauthenticated user with physical access to downgrade the firmware of the device. This could allow an attacker to downgrade the device to older versions with known vulnerabilities.

remediations

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

A vendor fix is available.

FixedCPCI85 Central Processing/Communicationsiemens_psirt
Update to V5.40 or later version The firmware CPCI85 V5.40 is present within “CP-8031/CP-8050 Package” V5.40
FixedSICORE Base systemsiemens_psirt
Update to V1.4.0 or later version The firmware SICORE V1.4.0 is present within “SICAM 8 Software Solution Package” V5.40
FixedCPCI85 Central Processing/Communicationcisa_csaf_ot
Update to V5.40 or later version The firmware CPCI85 V5.40 is present within “CP-8031/CP-8050 Package” V5.40
FixedSICORE Base systemcisa_csaf_ot
Update to V1.4.0 or later version The firmware SICORE V1.4.0 is present within “SICAM 8 Software Solution Package” V5.40

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · productcert@siemens.com DEexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · Siemens ProductCERT DE

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · CISA US

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.04.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

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

affected products (12)

Products and version ranges known to be affected.

CPCI85 Central Processing/Communicationall versionscisa_csaf_otUS
SICORE Base systemall versionscisa_csaf_otUS
Siemens CPCI85 Central Processing/Communication< V5.40cisa_csaf_otUS
Siemens SICORE Base system< V1.4.0cisa_csaf_otUS
Siemens CPCI85 Central Processing/Communication0 → V5.40enisa_euvdEU
Siemens SICORE Base system0 → V1.4.0enisa_euvdEU
Siemens AG SICAM 8≤ SICORE 1.4.0fstec_bduRU
Siemens AG SICAM A8000 CP-8031≤ CPCI85 5.40fstec_bduRU
Siemens AG SICAM A8000 CP-8050≤ CPCI85 5.40fstec_bduRU
Siemens AG SICAM EGS≤ CPCI85 5.40fstec_bduRU
Siemens CPCI85 Central Processing/Communication< V5.40siemens_psirtDE
Siemens SICORE Base system< V1.4.0siemens_psirtDE

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-071402SSA-071402: Multiple Vulnerabilities in SICAM Products2024-07-22csaf · siemens_psirtDE
Multiple SICAM products are affected by unauthorized password reset and firmware downgrade vulnerabilities that could lead to privilege escalation and potential leak of information, namely: - SICAM A8000 Device firmware - CPCI85 for CP-8031/CP-8050 - SICAM EGS Device firmware - CPCI85 - SICAM 8 Software Solution - SICORE Siemens has released new firmware versions for the affected products and recommends to update to the latest versions.
WID-SEC-W-2024-1686Siemens SICAM: Mehrere SchwachstellenDeutsch2024-07-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um seine Privilegien zu erhöhen oder die Firmware-Version herabzustufen.
ICSA-24-207-01Siemens SICAM Products2024-07-22icsa · cisa_csaf_otUS
Multiple SICAM products are affected by unauthorized password reset and firmware downgrade vulnerabilities that could lead to privilege escalation and potential leak of information, namely: - SICAM A8000 Device firmware - CPCI85 for CP-8031/CP-8050 - SICAM EGS Device firmware - CPCI85 - SICAM 8 Software Solution - SICORE Siemens has released new firmware versions for the affected products and recommends to update to the latest versions.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot siemens_psirt cert_bund NVD CVE.org MITRE

published 2024-07-22modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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