CVEvulnerability
CVE-2021-43522
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Affected configurations
• insyde insydeh2o (>= 5.1 < 5.14.34)
• insyde insydeh2o (>= 5.2 < 5.24.34)
• insyde insydeh2o (>= 5.3 < 5.33.34)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0003/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0003/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.kb.cert.org/vuls/id/796611 www.kb.cert.org
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html cert-portal.siemens.com