8.2highHigh
CVE-2021-41839
Insyde Insydeh2o
An issue was discovered in NvmExpressDxe 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.
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-119
- Assigned by
- cve@mitre.org
Dates
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Sources
- NVD
Affected products
- Insyde Insydeh2o5.1 - 5.16.25, 5.2 - 5.26.25, 5.3 - 5.35.25, 5.4 - 5.43.25, 5.5 - 5.51.25
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-20220217-0016/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022020
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220217-0016/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022020
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html