CVE-2024-4760

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

MEDIUM
6.3
CVSS Score
Published: May 16, 2024 at 01:07 PM UTC
Updated: June 17, 2026 at 08:02 AM UTC
16 products affected across 2 vendorsSAMS70SAMV71SAMV70

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
All versions
All versions
All versions
All versions
All versions
All versions
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMMicrochip
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1247

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