8.2highHigh
CVE-2021-41840
Insyde Insydeh2o
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.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an administrative account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H- Weakness
- CWE-770
- Assigned by
- cve@mitre.org
Dates
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Sources
- NVD
Affected products
- Insyde Insydeh2o5.2 - 5.23.35, 5.3 - 5.32.35, 5.4 - 5.40.35
As listed in the NVD configuration data. Not a statement about your estate.
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://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