PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.
The attacker must have physical USB access to the device in order to exploit this vulnerability.
CWE-ID: CWE-74 CWE Name: CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (
Injection
) Source: PAX Technology
Common Attack Pattern Enumeration and Classification (CAPEC)