FKIE_CVE-2021-26943
Vulnerability from fkie_nvd - Published: 2021-03-31 20:15 - Updated: 2024-11-21 05:57
Severity ?
Summary
The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://www.asus.com/support/FAQ/1045541/ | Exploit, Vendor Advisory | |
| cve@mitre.org | https://www.youtube.com/watch?v=1H3AfaVyeuk | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.asus.com/support/FAQ/1045541/ | Exploit, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.youtube.com/watch?v=1H3AfaVyeuk | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| asus | ux360ca_bios | * | |
| asus | ux360ca | - |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:asus:ux360ca_bios:*:*:*:*:*:*:*:*",
"matchCriteriaId": "195C61B6-8E5A-4890-A23A-1C622071D759",
"versionEndExcluding": "304",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
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"criteria": "cpe:2.3:h:asus:ux360ca:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7F7EE6F3-6B7E-4048-B832-D47D509B37F1",
"vulnerable": false
}
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"negate": false,
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],
"operator": "AND"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3)."
},
{
"lang": "es",
"value": "El BIOS UX360CA versiones hasta 303 en las computadoras port\u00e1tiles ASUS permite a un atacante (con el privilegio ring 0) sobrescribir ubicaciones de la memoria f\u00edsica casi arbitrarias, incluida la SMRAM, y ejecutar c\u00f3digo arbitrario en la SMM (problema 3 de 3)."
}
],
"id": "CVE-2021-26943",
"lastModified": "2024-11-21T05:57:05.773",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.5,
"impactScore": 6.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-03-31T20:15:14.130",
"references": [
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://www.asus.com/support/FAQ/1045541/"
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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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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