CVE-2021-43613

mediumpriority · track · 0EPSS 0.001 · 3 %ileDE
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.13% (3rd) EPSS
CVSS 6.5 · medium
Is it mine?
26 products
Check your exposure
Who says so?
2 sources
cnnvd · siemens_psirt

EPSS · scored 2026-10-27

An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege

01

remediations

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

A vendor fix is available.

  • FixedRUGGEDCOM APE1808 - BIOSsiemens_psirt

    Update to V1.0.202N or later version

    https://support.industry.siemens.com/cs/ww/en/view/109814796/
  • FixedSIMATIC Field PG M6siemens_psirt

    Update to V26.01.13 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC127Esiemens_psirt

    Update to V27.01.09 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC227Gsiemens_psirt

    Update to V28.01.04 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC277Gsiemens_psirt

    Update to V28.01.04 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC327Gsiemens_psirt

    Update to V28.01.04 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC377Gsiemens_psirt

    Update to V28.01.04 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109763408/
  • FixedSIMATIC IPC277G PROsiemens_psirt

    Update to V28.01.04 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

  • No fix availableSIMATIC IPC427Esiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC477Esiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC477E Prosiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC627Esiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC647Esiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC677Esiemens_psirt

    Currently no fix is available

  • No fix availableSIMATIC IPC847Esiemens_psirt

    Currently no fix is available

  • No fix availableSIPLUS IPC427Esiemens_psirt

    Currently no fix is available

  • No fix plannedSIMATIC Field PG M5siemens_psirt

    Currently no fix is planned

  • No fix plannedSIMATIC ITP1000siemens_psirt

    Currently no fix is planned

02

cvss

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

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondaryexploitability 2 · impact 4
v3.15.2mediumCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondary · Siemens ProductCERT DE
v3.16mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

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

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USCWE-732US
05

affected products (26)

Products and version ranges known to be affected.

showing 20 of 26
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • 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.

07

also known as (1)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdsiemens_psirtNVDCVE.orgMITRE
published 2026-09-03modified 2026-09-03
09

references (2)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan