CVE-2020-7812
Estado: ModificadaCrítica (9.8)—
Ezhttptrans.ocx ActiveX Control in Kaoni ezHTTPTrans 1.0.0.70 and prior versions contain a vulnerability that could allow remote attacker to download arbitrary file by setting the arguments to the activex method. This can be leveraged for code execution by rebooting the victim’s PC.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.75%
- Percentil entre todas las CVEs puntuadas: 53
- 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
- CWE-494
- CWE-494
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-7812",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "vuln@krcert.or.kr",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "vuln@krcert.or.kr",
"affectedData": [
{
"vendor": "Kaoni",
"product": "ezHTTPTrans",
"versions": [
{
"status": "affected",
"version": "1.0.0.70",
"versionType": "custom",
"lessThanOrEqual": "1.0.0.90"
}
]
}
]
}
],
"published": "2020-05-28T14:15:11.907",
"references": [
{
"url": "http://www.kaoni.com/",
"tags": [
"Vendor Advisory"
],
"source": "vuln@krcert.or.kr"
},
{
"url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35428",
"tags": [
"Third Party Advisory"
],
"source": "vuln@krcert.or.kr"
},
{
"url": "http://www.kaoni.com/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35428",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "vuln@krcert.or.kr",
"description": [
{
"lang": "en",
"value": "CWE-494"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-494"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Ezhttptrans.ocx ActiveX Control in Kaoni ezHTTPTrans 1.0.0.70 and prior versions contain a vulnerability that could allow remote attacker to download arbitrary file by setting the arguments to the activex method. This can be leveraged for code execution by rebooting the victim’s PC."
},
{
"lang": "es",
"value": "El Control ActiveX Ezhttptrans.ocx en Kaoni ezHTTPTrans versiones 1.0.0.70 y anteriores, contiene una vulnerabilidad que podría permitir a un atacante remoto descargar un archivo arbitrario mediante la configuración de los argumentos en el método activex. Esto puede ser aprovechado para una ejecución de código al reiniciar la PC de la víctima."
}
],
"lastModified": "2026-06-17T03:25:29.430",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:kaoni:ezhttptrans:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EABF75EE-E032-4F6C-B5AB-509EAA6E9CC1",
"versionEndIncluding": "1.0.0.70"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "vuln@krcert.or.kr"
}