CVEvulnerability
CVE-2021-42060
8.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Description
An issue was discovered in Insyde InsydeH2O Kernel 5.0 through 05.08.41, Kernel 5.1 through 05.16.41, Kernel 5.2 before 05.23.22, and Kernel 5.3 before 05.32.22. An Int15ServiceSmm SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
Affected configurations
• insyde insydeh2o (>= 5.2 < 5.23.35)
• insyde insydeh2o (>= 5.3 < 5.32.35)
• insyde insydeh2o (>= 5.1 < 5.16.42)
• insyde insydeh2o (>= 5.0 < 05.08.49)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0015/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022007 Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0015/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022007 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