Voltage glitch during startup of the EEFC NVM controller can bypass the security bit
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microchip | SAME70 | affected |
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| Microchip | SAMS70 | affected |
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| Microchip | SAMV70 | affected |
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| Microchip | SAMV71 | affected |
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| Microchip | SAMG55 | unaffected |
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| Microchip | SAM4C | unaffected |
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| Microchip | SAM4S | unaffected |
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| Microchip | SAM4N | unaffected |
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| Microchip | SAM4E | unaffected |
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| Microchip | SAM3S | unaffected |
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| Microchip | SAM3N | unaffected |
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| Microchip | SAM3U | unaffected |
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No data.
No data.
No data available yet.
Vendor Workaround
Please contact Microchip to obtain the appropriate patch for your devices, which are available as binary code updates.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-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. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.209% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Amtel
Amtel same70 Amtel sams70 Amtel samv70 Amtel samv71 |
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| CPEs | cpe:2.3:a:amtel:same70:*:*:*:*:*:*:*:* cpe:2.3:a:amtel:sams70:*:*:*:*:*:*:*:* cpe:2.3:a:amtel:samv70:*:*:*:*:*:*:*:* cpe:2.3:a:amtel:samv71:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Amtel
Amtel same70 Amtel sams70 Amtel samv70 Amtel samv71 |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | 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. |
| References |
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