In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Exploitability
AV:PAC:LPR:NUI:NScope
S:UImpact
C:NI:NA:H4.6/CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H