fkie_cve-2021-38576
Vulnerability from fkie_nvd
Published
2022-01-03 22:15
Modified
2024-11-21 06:17
Severity ?
Summary
A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| infosec@edk2.groups.io | https://bugzilla.tianocore.org/show_bug.cgi?id=3499 | Issue Tracking, Permissions Required, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.tianocore.org/show_bug.cgi?id=3499 | Issue Tracking, Permissions Required, Third Party Advisory |
Impacted products
{
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system."
},
{
"lang": "es",
"value": "Un error de la BIOS en el firmware de un determinado modelo de PC deja vac\u00edo el valor de autorizaci\u00f3n de la plataforma. Esto puede ser usado para brickear permanentemente el TPM de m\u00faltiples maneras, as\u00ed como para DoS no permanente del sistema"
}
],
"id": "CVE-2021-38576",
"lastModified": "2024-11-21T06:17:33.457",
"metrics": {
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"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
"type": "Primary",
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"cvssMetricV31": [
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"userInteraction": "NONE",
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"published": "2022-01-03T22:15:09.903",
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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