CVE-2021-35666
Estado: ModificadaMedia (5.9)—
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). The supported version that is affected is 11.1.1.9.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.24%
- Percentil entre todas las CVEs puntuadas: 68
- 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).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-35666",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-35666",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-25T19:13:55.745292Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.1,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secalert_us@oracle.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.9,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.2
}
]
},
"affected": [
{
"source": "secalert_us@oracle.com",
"affectedData": [
{
"vendor": "Oracle Corporation",
"product": "HTTP Server",
"versions": [
{
"status": "affected",
"version": "11.1.1.9.0"
}
]
}
]
}
],
"published": "2021-10-20T11:17:22.897",
"references": [
{
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secalert_us@oracle.com"
},
{
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). The supported version that is affected is 11.1.1.9.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)."
},
{
"lang": "es",
"value": "Una vulnerabilidad en el producto Oracle HTTP Server de Oracle Fusion Middleware (componente: Módulo OSSL). La versión compatible que está afectada es 11.1.1.9.0. Una vulnerabilidad difícil de explotar permite a un atacante no autenticado con acceso a la red por medio de HTTPS comprometer el Servidor HTTP de Oracle. Los ataques con éxito de esta vulnerabilidad pueden resultar en un acceso no autorizado a datos críticos o el acceso completo a todos los datos accesibles de Oracle HTTP Server. CVSS 3.1 Puntuación Base 5.9 (impactos en la Confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)"
}
],
"lastModified": "2026-06-17T03:57:56.980",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:http_server:11.1.1.9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EBD2676F-EE9D-4462-ABA5-C11CE726849C"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert_us@oracle.com"
}