CVE-2020-5953

2022-02-0301:00:57

mitre

www.cve.org

0.001 Low

EPSS

Percentile

20.6%

JSON

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).