CVE-2020-24486
lowpriority · track · 22OT risk · elevatedEPSS 0.003 · 23 %ileDEEUUSEPSS · scored 2026-10-27
Improper input validation in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable denial of service via local access.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSIMATIC IPC3000 SMART V3siemens_psirt
Update BIOS to V01.04.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408 - FixedSIMATIC IPC347Gsiemens_psirt
Update BIOS to V01.04.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408 - FixedSINUMERIK 828D HW PU.4siemens_psirt
Update BIOS to V08.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK MC MCU 1720siemens_psirt
Update BIOS to V05.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE / SINUMERIK 840D sl Handheld Terminal HT 10siemens_psirt
Update BIOS to V08.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE NCU 1740siemens_psirt
Update BIOS to V05.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE PPU 1740siemens_psirt
Update BIOS to V06.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSIMATIC IPC3000 SMART V3cisa_csaf_ot
Update BIOS to V01.04.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408 - FixedSIMATIC IPC347Gcisa_csaf_ot
Update BIOS to V01.04.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408 - FixedSINUMERIK 828D HW PU.4cisa_csaf_ot
Update BIOS to V08.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK MC MCU 1720cisa_csaf_ot
Update BIOS to V05.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE / SINUMERIK 840D sl Handheld Terminal HT 10cisa_csaf_ot
Update BIOS to V08.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE NCU 1740cisa_csaf_ot
Update BIOS to V05.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- FixedSINUMERIK ONE PPU 1740cisa_csaf_ot
Update BIOS to V06.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
- MitigationSIMATIC IPC3000 SMART V3siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSIMATIC IPC347Gsiemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSIMATIC IPC547Gsiemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK 828D HW PU.4siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK MC MCU 1720siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE / SINUMERIK 840D sl Handheld Terminal HT 10siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE NCU 1740siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE PPU 1740siemens_psirt
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSIMATIC IPC3000 SMART V3cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSIMATIC IPC347Gcisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSIMATIC IPC547Gcisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK 828D HW PU.4cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK MC MCU 1720cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE / SINUMERIK 840D sl Handheld Terminal HT 10cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE NCU 1740cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- MitigationSINUMERIK ONE PPU 1740cisa_csaf_ot
As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible.
- No fix plannedSIMATIC IPC547Gsiemens_psirt
Currently no fix is planned
- No fix plannedSIMATIC IPC547Gcisa_csaf_ot
Currently no fix is planned
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (62)
Products and version ranges known to be affected.
- Avaya Aura Application Enablement Servicesall versionscert_bundDEcpe:/a:avaya:aura_application_enablement_services:-
advisories (3)
Vendor and ecosystem advisories describing this.
- SSA-309571SSA-309571: IPU 2021.1 Vulnerabilities in Siemens Industrial Products using Intel CPUs (June 2021)2021-08-10csaf · siemens_psirtDE
Intel has published information on vulnerabilities in Intel products in June 2021. This advisory lists the related Siemens Industrial products affected by these vulnerabilities that can be patched by applying the corresponding BIOS update. In this advisory we summarize: - "2021.1 IPU – Intel® CSME, SPS and LMS Advisory" Intel-SA-00459, - "2021.1 IPU – BIOS Advisory" Intel-SA-00463, - "2021.1 IPU – Intel® Processor Advisory" Intel-SA-00464, and - "2021.1 IPU - Intel Atom® Processor Advisory" Intel-SA-00465. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
- WID-SEC-W-2024-1463Intel Prozessoren: Mehrere SchwachstellenDeutsch2021-06-08csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Intel Prozessoren ausnutzen, um seine Privilegien zu erhöhen, Informationen offenzulegen oder einen Denial of Service Zustand herbeizuführen.
- ICSA-21-222-05Siemens Industrial Products Intel CPUs (Update F)2021-08-10icsa · cisa_csaf_otUS
Intel has published information on vulnerabilities in Intel products in June 2021. This advisory lists the related Siemens Industrial products affected by these vulnerabilities that can be patched by applying the corresponding BIOS update. In this advisory we summarize: - "2021.1 IPU – Intel® CSME, SPS and LMS Advisory" Intel-SA-00459, - "2021.1 IPU – BIOS Advisory" Intel-SA-00463, - "2021.1 IPU – Intel® Processor Advisory" Intel-SA-00464, and - "2021.1 IPU - Intel Atom® Processor Advisory" Intel-SA-00465. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfcnnvd
- https://security.netapp.com/advisory/ntap-20210702-0002/cnnvd
- https://support.lenovo.com/us/en/product_security/LEN-62742cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-21-222-05cnnvd
- https://vigilance.fr/vulnerability/Intel-Processor-multiple-vulnerabilities-via-BIOS-Firmware-35669cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.1995cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021061616cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021081109cnnvd
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