ShadowTrackr

Search the CVE vulnerability database

Look up vulnerabilities by software, product or CVE number.

1 result for “CVE-2020-5953”

CVEPublishedCVSSShadowTrackr CVSSSummary
CVE:
CVE-2020-5953
Published
2022-02-03
CVSS:
7.5
ShadowTrackr CVSS:
4.0
Summary:
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).