Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2O | >= 5.1, < 5.14.34 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0003/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0003/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.kb.cert.org/vuls/id/796611
FAQ
What is CVE-2021-43522?
CVE-2021-43522 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 allo...
How severe is CVE-2021-43522?
CVE-2021-43522 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43522?
Check the references section above for vendor advisories and patch information. Affected products include: Insyde Insydeh2O.