A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
22
Affected Products
9
References
insyde / insydeh2o
| - |
| insyde | insydeh2o | - | - |
| insyde | insydeh2o | - | - |
| insyde | insydeh2o | - | - |
| siemens | ruggedcom_ape1808_firmware | - | - |
| siemens | simatic_field_pg_m6_firmware | - | - |
| siemens | simatic_ipc127e_firmware | - | - |
| siemens | simatic_ipc227g_firmware | - | - |
| siemens | simatic_ipc277g_firmware | - | - |
| siemens | simatic_itp1000_firmware | - | - |
| siemens | simatic_ipc477e_pro_firmware | - | - |
| siemens | simatic_ipc627e_firmware | - | - |
| siemens | simatic_ipc647e_firmware | - | - |
| siemens | simatic_ipc677e_firmware | - | - |
| siemens | simatic_ipc847e_firmware | - | - |
| siemens | simatic_ipc327g_firmware | - | - |
| siemens | simatic_ipc377g_firmware | - | - |
| siemens | simatic_ipc427e_firmware | - | - |
| siemens | simatic_ipc477e_firmware | - | - |
| siemens | simatic_field_pg_m5_firmware | - | - |
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitability
Impact