CVE-2024-4760

Voltage glitch during startup of the EEFC NVM controller can bypass the security bit

A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.

Affected

Microchip · SAME70 · SAMS70 · SAMV70 · SAMV71 · SAMG55 · SAM4C

CVSS v3.1 CNA

6.3 MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.21% chance of exploitation in the next 30 days, 10th percentile

Published

2024-05-16

Updated

2025-06-06

Proof-of-concept exploits (1)

• https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-securi…

References

• CVE Record
• NVD entry