FKIE_CVE-2020-27211
Vulnerability from fkie_nvd - Published: 2021-05-21 13:15 - Updated: 2026-06-17 03:08
Severity
Summary
Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection (APPROTECT) can be bypassed by injecting a fault during the boot phase.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| nordicsemi | nrf52840_firmware | * | |
| nordicsemi | nrf52840 | - |
{
"affected": [
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"vendor": "n/a",
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"source": "cve@mitre.org"
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"configurations": [
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},
{
"lang": "es",
"value": "Los dispositivos Nordic Semiconductor nRF52840 hasta el 2020-10-19 presentan una protecci\u00f3n inadecuada contra los canales laterales f\u00edsicos.\u0026#xa0;La protecci\u00f3n de lectura flash (APPROTECT) se puede omitir inyectando un fallo durante la fase de arranque"
}
],
"id": "CVE-2020-27211",
"lastModified": "2026-06-17T03:08:56.640",
"metrics": {
"cvssMetricV2": [
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"baseSeverity": "LOW",
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"accessVector": "LOCAL",
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"published": "2021-05-21T13:15:07.627",
"references": [
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://eprint.iacr.org/2021/640"
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{
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"url": "https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf"
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"vulnStatus": "Modified",
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}
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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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