CVE-2021-41840
An issue was discovered in NvmExpressDxe 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 Inclusion of Functionality from an Untrusted Control Sphere.
- Score
- CVSS 3.1 8.2 High
- Status
- Modified - cve@mitre.org
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Weaknesses
- CWE-770
Affected products
- Insydeh2o (Insyde)
- Simatic Field Pg M5 (Siemens)
- Simatic Field Pg M6 (Siemens)
- Simatic Ipc127e (Siemens)
- Simatic Ipc227g (Siemens)
- Simatic Ipc277g (Siemens)
- Simatic Ipc327g (Siemens)
- Simatic Ipc377g (Siemens)
- Simatic Ipc427e (Siemens)
- Simatic Ipc477e (Siemens)
- Simatic Ipc477e Pro (Siemens)
- Simatic Ipc627e (Siemens)
- Simatic Ipc647e (Siemens)
- Simatic Ipc677e (Siemens)
- Simatic Ipc847e (Siemens)
- Simatic Itp1000 (Siemens)
- Simaticipc277g Pro (Siemens)
- Siplus Ipc427e (Siemens)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220217-0014/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022018
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html
