CVE-2020-9987
Estado: ModificadaMedia (4.3)—
An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 14.0. Visiting a malicious website may lead to address bar spoofing.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.86%
- Percentil entre todas las CVEs puntuadas: 57
- Fecha de la puntuación: 7/10/2026
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
- CWE-1021
Referencias
JSON original (NVD)
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{
"id": "CVE-2020-9987",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "Safari",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.0",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-12-08T20:15:17.840",
"references": [
{
"url": "https://support.apple.com/en-us/HT211845",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT211845",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-1021"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 14.0. Visiting a malicious website may lead to address bar spoofing."
},
{
"lang": "es",
"value": "Se abordó un problema de inconsistencia de la interfaz de usuario con una administración de estado mejorada. Este problema se corrigió en Safari versión 14.0. Al visitar un sitio web malicioso puede conllevar a una suplantación de una barra de direcciones"
}
],
"lastModified": "2026-06-17T03:28:55.853",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8DE1F811-8D4C-4C36-82DB-FE761C07FD0B",
"versionEndExcluding": "14.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}