CVE-2021-26380
Estado: Pendiente de análisisBaja (1.8)—
A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 1.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.10%
- Percentil entre todas las CVEs puntuadas: 1
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
CWE
- CWE-190
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-26380",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-26380",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-15T13:21:27.869059Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "psirt@amd.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 1.8,
"Automatable": "NOT_DEFINED",
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
{
"source": "psirt@amd.com",
"affectedData": [
{
"vendor": "AMD",
"product": "AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics",
"versions": [
{
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"version": "ComboAM4v2 PI 1.2.0.5"
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{
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],
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},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics",
"versions": [
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"version": "CezannePI-FP6 1.0.0.6"
}
],
"defaultStatus": "affected"
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{
"vendor": "AMD",
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{
"vendor": "AMD",
"product": "AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics",
"versions": [
{
"status": "unaffected",
"version": "RenoirPI-FP6 1.0.0.7"
}
],
"defaultStatus": "affected"
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{
"vendor": "AMD",
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{
"vendor": "AMD",
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{
"vendor": "AMD",
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"status": "unaffected",
"version": "120A"
}
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{
"vendor": "AMD",
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{
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{
"vendor": "AMD",
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"vendor": "AMD",
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{
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"vendor": "AMD",
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],
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{
"vendor": "AMD",
"product": "AMD Radeon™ PRO VII",
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{
"status": "unaffected",
"version": "AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA)"
}
],
"defaultStatus": "affected"
},
{
"vendor": "AMD",
"product": "AMD Radeon™ Instinct™ MI25",
"versions": [
{
"status": "unaffected",
"version": "Contact your AMD Customer Engineering representative"
}
],
"defaultStatus": "affected"
},
{
"vendor": "AMD",
"product": "AMD Radeon™ PRO V520",
"versions": [
{
"status": "unaffected",
"version": "Contact your AMD Customer Engineering representative"
}
],
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},
{
"vendor": "AMD",
"product": "AMD Radeon™ PRO V620",
"versions": [
{
"status": "unaffected",
"version": "Contact your AMD Customer Engineering representative"
}
],
"defaultStatus": "affected"
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]
}
],
"published": "2026-05-15T03:16:20.030",
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html",
"source": "psirt@amd.com"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html",
"source": "psirt@amd.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@amd.com",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity."
}
],
"lastModified": "2026-06-17T03:43:17.057",
"sourceIdentifier": "psirt@amd.com"
}