Timing Side Channel Vulnerability in AT91bootstrap before 3.9.2 Allows Arbitrary Code Execution

Timing Side Channel Vulnerability in AT91bootstrap before 3.9.2 Allows Arbitrary Code Execution

CVE-2020-11683 · MEDIUM Severity

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

A timing side channel was discovered in AT91bootstrap before 3.9.2. It can be exploited by attackers with physical access to forge CMAC values and subsequently boot arbitrary code on an affected system.

Learn more about our Physical Security Assessment.