CVE-2024-4760 (GCVE-0-2024-4760)
Vulnerability from cvelistv5 – Published: 2024-05-16 13:07 – Updated: 2025-06-06 15:08
VLAI
EPSS
VEX
Title
Voltage glitch during startup of the EEFC NVM controller can bypass the security bit
Summary
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.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-24 19:22 UTC
CWE
- CWE-1247 - Improper Protection Against Voltage and Clock Glitches
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.0x01team.com/hw_security/bypassing-mi… | technical-descriptionexploit |
| https://ww1.microchip.com/downloads/aemDocuments/… | vendor-advisory |
Impacted products
16 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microchip | SAME70 |
Affected:
0
|
guessed | |
| Microchip | SAMS70 |
Affected:
0
|
guessed | |
| Microchip | SAMV70 |
Affected:
0
|
guessed | |
| Microchip | SAMV71 |
Affected:
0
|
guessed | |
| Microchip | SAMG55 |
Affected:
0
|
guessed | |
| Microchip | SAM4C |
Affected:
0
|
guessed | |
| Microchip | SAM4S |
Affected:
0
|
guessed | |
| Microchip | SAM4N |
Affected:
0
|
guessed | |
| Microchip | SAM4E |
Affected:
0
|
guessed | |
| Microchip | SAM3S |
Affected:
0
|
guessed | |
| Microchip | SAM3N |
Affected:
0
|
guessed | |
| Microchip | SAM3U |
Affected:
0
|
guessed | |
| amtel | same70 |
Affected:
*
cpe:2.3:a:amtel:same70:*:*:*:*:*:*:*:* |
||
| amtel | sams70 |
Affected:
*
cpe:2.3:a:amtel:sams70:*:*:*:*:*:*:*:* |
||
| amtel | samv70 |
Affected:
*
cpe:2.3:a:amtel:samv70:*:*:*:*:*:*:*:* |
||
| amtel | samv71 |
Affected:
*
cpe:2.3:a:amtel:samv71:*:*:*:*:*:*:*:* |
Date Public
2024-05-16 13:00
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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