CVE-2021-41837

HIGH

8.2

Description

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

CVE Details

CVSS v3.1 Score8.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published2/3/2022

Last Modified11/4/2025

Sourcenvd

Honeypot Sightings0

Affected Products

insyde:insydeh2osiemens:simatic_field_pg_m5siemens:simatic_field_pg_m5_firmwaresiemens:simatic_field_pg_m6siemens:simatic_field_pg_m6_firmwaresiemens:simatic_ipc127esiemens:simatic_ipc127e_firmwaresiemens:simatic_ipc227gsiemens:simatic_ipc227g_firmwaresiemens:simatic_ipc277gsiemens:simatic_ipc277g_firmwaresiemens:simatic_ipc327gsiemens:simatic_ipc327g_firmwaresiemens:simatic_ipc377gsiemens:simatic_ipc377g_firmwaresiemens:simatic_ipc427esiemens:simatic_ipc427e_firmwaresiemens:simatic_ipc477esiemens:simatic_ipc477e_firmwaresiemens:simatic_ipc627esiemens:simatic_ipc627e_firmwaresiemens:simatic_ipc647esiemens:simatic_ipc647e_firmwaresiemens:simatic_ipc677esiemens:simatic_ipc677e_firmwaresiemens:simatic_ipc847esiemens:simatic_ipc847e_firmwaresiemens:simatic_itp1000siemens:simatic_itp1000_firmware

Weaknesses (CWE)

CWE-119

References

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20220222-0003/(cve@mitre.org)

https://www.insyde.com/security-pledge(cve@mitre.org)

https://www.insyde.com/security-pledge/SA-2022024(cve@mitre.org)

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20220222-0003/(af854a3a-2127-422b-91ae-364da2661108)

https://www.insyde.com/security-pledge(af854a3a-2127-422b-91ae-364da2661108)

https://www.insyde.com/security-pledge/SA-2022024(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/796611(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.