Auth bypass in Amd-Xilinx Zynq-7000 Soc Fsbl

CVE-2022-23822

In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.

Vulnerability class: Broken Access Control

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.