CVE-2022-34302 - Secure Boot bypass via New Horizon Datasys signed bootloader (shdloader.efi) - BYOVUA technique exploiting built-in custom PE/COFF loader to load unsigned UEFI applications without signature verification.

CVE-2022-34302 - Secure Boot bypass via New Horizon Datasys signed bootloader (shdloader.efi) - BYOVUA technique exploiting built-in custom PE/COFF loader to load unsigned UEFI applications without signature verification.

Published 6 Sep 2026Updated 6 Sep 20262 sources
CVSS 0.0 PoC CANDIDATE

What happened

A public source linked this CVE to an advisory or demonstration repository. Review the original reference before use.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references