A vulnerability related to the use an insecure Platform Key (PK) has been discovered. An attacker with the compromised PK private key can create malicious UEFI software that is signed with a trusted key that has been compromised.

A potential security vulnerability has been identified in multiple HP products and versions which involves possible execution of arbitrary code during boot services that can result in elevation of privilege. The EFI_BOOT_SERVICES structure might be overwritten by an attacker to execute arbitrary SMM (System Management Mode) code. A list of affected products and versions are available in https://support.hp.com/rs-en/document/c06456250.

The TopAccess web-based management interface on TOSHIBA TEC e-Studio multi-function peripheral (MFP) devices with firmware 30x through 302, 35x through 354, and 4xx through 421 allows remote attackers to bypass authentication and obtain administrative privileges via unspecified vectors.