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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2024-4760- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1247
- Updated
- 2026-11-02
EUVDEUVD-2024-44357
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.
- Record
EUVD-2024-44357- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5mp7-g9p8-p9xx
A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71...
A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71 microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.
- Record
GHSA-5mp7-g9p8-p9xx- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1247
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-4760- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1247
- Updated
- 2026-11-02
Affected products
- amtel same70
- amtel sams70
- amtel samv70
- amtel samv71
- microchip sam3n
- microchip sam3s
- microchip sam3u
- microchip sam4c
- microchip sam4e
- microchip sam4n
- microchip sam4s
- microchip same70
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History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-4760 is a medium vulnerability (CVSS 6.3) in Amtel Same70, published May 16, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.