CVE-2021-43613
Medium
Description
An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege
SeverityMedium
CVSS6.5
Exploit probability—
ProductInsydeH2O
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-732CWE-732
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Insyde Software InsydeH2O | See in the Solution | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.