Stage 2 Bootloader Vulnerability: Memory Corruption and Code Execution via Malformed System Call

CVE-2021-26386 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.

Learn more about our Web Application Penetration Testing UK.