CVE-2021-41838

highPriorität · verfolgen · 33EPSS 0.003 · 23. PerzentilDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.30% (23rd) EPSS

CVSS 7.2 · high

Is it mine?

56 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · siemens_psirt

EPSS · bewertet 2026-10-27

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

BehobenRUGGEDCOM APE1808 - BIOSsiemens_psirt
Update to V1.0.202N or later version
https://support.industry.siemens.com/cs/ww/en/view/109814796/
BehobenSIMATIC Field PG M5siemens_psirt
Update to V22.01.10 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC Field PG M6siemens_psirt
Update to V26.01.13 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC127Esiemens_psirt
Update to V27.01.09 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC227Gsiemens_psirt
Update to V28.01.04 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC277Gsiemens_psirt
Update to V28.01.04 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC327Gsiemens_psirt
Update to V28.01.04 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC377Gsiemens_psirt
Update to V28.01.04 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC427Esiemens_psirt
Update to V21.01.17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC477Esiemens_psirt
Update to V21.01.17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC477E Prosiemens_psirt
Update to V21.01.17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC627Esiemens_psirt
Update to V25.02.12 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC647Esiemens_psirt
Update to V25.02.12 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC677Esiemens_psirt
Update to V25.02.12 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC847Esiemens_psirt
Update to V25.02.12 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC ITP1000siemens_psirt
Update to V23.01.10 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIMATIC IPC277G PROsiemens_psirt
Update to V28.01.04 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
BehobenSIPLUS IPC427Esiemens_psirt
Update to V21.01.17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763408/
MitigationRUGGEDCOM APE1808 - BIOSsiemens_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
MitigationSIMATIC Field PG M5siemens_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
MitigationSIMATIC Field PG M6siemens_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
MitigationSIMATIC IPC127Esiemens_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
MitigationSIMATIC IPC227Gsiemens_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
MitigationSIMATIC IPC277Gsiemens_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
MitigationSIMATIC IPC327Gsiemens_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
MitigationSIMATIC IPC377Gsiemens_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
MitigationSIMATIC IPC427Esiemens_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
MitigationSIMATIC IPC477Esiemens_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
MitigationSIMATIC IPC477E Prosiemens_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
MitigationSIMATIC IPC627Esiemens_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
MitigationSIMATIC IPC647Esiemens_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
MitigationSIMATIC IPC677Esiemens_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
MitigationSIMATIC IPC847Esiemens_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
MitigationSIMATIC ITP1000siemens_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
MitigationSIMATIC IPC277G PROsiemens_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
MitigationSIPLUS IPC427Esiemens_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

cvss

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

8.2

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 10

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 1.5 · Auswirkung 6

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE

v3.17.5highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-119USprimärCWE-119US

betroffene Produkte (56)

Betroffene Produkte und Versionsbereiche.

n/a n/a≤ n/aenisa_euvdEU
insyde insydeh2o5.1 → 5.16.42nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o5.2 → 5.26.42nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o5.3 → 5.35.42nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o5.4 → 5.43.42nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o5.5 → 5.51.42nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
siemens simatic field pg m5 firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*
siemens simatic field pg m6 firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc127e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc127e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc227g firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc227g_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc277g firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc277g_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc327g firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc327g_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc377g firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc377g_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc427e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc477e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc627e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc647e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc677e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*
siemens simatic ipc847e firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*
siemens simatic itp1000 firmwarealle VersionennvdUScpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*

20 von 56 angezeigt

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

SSA-306654SSA-306654: Insyde BIOS Vulnerabilities in Siemens Industrial Products2022-02-22csaf · siemens_psirtDE
Insyde has published information on vulnerabilities in Insyde BIOS in February 2022. This advisory lists the Siemens Industrial products affected by these vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd nvd siemens_psirt NVD CVE.org MITRE

veröffentlicht 2022-02-03geändert 2026-08-11

verwandt (21,028)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2026-88779US	high7.5OT kritisch	11.4% (96th)	KEV	2026-10-04
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before…
CVE-2026-88772US	high8.1OT kritisch	78.2% (100th)	KEV	2026-09-27
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FI…
CVE-2026-8452US	critical9.8OT kritisch	1.01% (63rd)	KEV	2026-06-30
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (…
CVE-2026-53266US	—OT kritisch	0.93% (61st)	KEV	2026-06-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…
CVE-2026-3910US	high8.8OT kritisch	2.69% (86th)	KEV	2026-03-13
Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium s…

+21023 weitere

Referenzen (18)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

Kostenloser Scan