CVE-2020-5577
Estado: ModificadaAlta (8.8)—
Movable Type series (Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Advanced 7), Movable Type for AWS 7 r.4606 (7.2.1) and earlier (Movable Type for AWS 7), Movable Type 6.5.3 and earlier (Movable Type 6.5), Movable Type Advanced 6.5.3 and earlier (Movable Type Advanced 6.5), Movable Type 6.3.11 and earlier (Movable Type 6.3), Movable Type Advanced 6.3.11 and earlier (Movable Type 6.3), Movable Type Premium 1.29 and earlier, and Movable Type Premium Advanced 1.29 and earlier) allow remote authenticated attackers to upload arbitrary files and execute a php script via unspecified vectors.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.73%
- Percentil entre todas las CVEs puntuadas: 77
- 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-434
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-5577",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "vultures@jpcert.or.jp",
"affectedData": [
{
"vendor": "Six Apart Ltd.",
"product": "Movable Type",
"versions": [
{
"status": "affected",
"version": "Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Advanced 7), Movable Type for AWS 7 r.4606 (7.2.1) and earlier (Movable Type for AWS 7), Movable Type 6.5.3 and earlier (Movable Type 6.5), Movable Type Advanced 6.5.3 and earlier (Movable Type Advanced 6.5), Movable Type 6.3.11 and earlier (Movable Type 6.3), Movable Type Advanced 6.3.11 and earlier (Movable Type 6.3), Movable Type Premium 1.29 and earlier, and Movable Type Premium Advanced 1.29 and earlier"
}
]
}
]
}
],
"published": "2020-05-14T02:15:11.483",
"references": [
{
"url": "https://jvn.jp/en/jp/JVN28806943/index.html",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://movabletype.org/news/2020/05/mt-730-660-6312-released.html",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://jvn.jp/en/jp/JVN28806943/index.html",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://movabletype.org/news/2020/05/mt-730-660-6312-released.html",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Movable Type series (Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Advanced 7), Movable Type for AWS 7 r.4606 (7.2.1) and earlier (Movable Type for AWS 7), Movable Type 6.5.3 and earlier (Movable Type 6.5), Movable Type Advanced 6.5.3 and earlier (Movable Type Advanced 6.5), Movable Type 6.3.11 and earlier (Movable Type 6.3), Movable Type Advanced 6.3.11 and earlier (Movable Type 6.3), Movable Type Premium 1.29 and earlier, and Movable Type Premium Advanced 1.29 and earlier) allow remote authenticated attackers to upload arbitrary files and execute a php script via unspecified vectors."
},
{
"lang": "es",
"value": "La serie de Movable Type (Movable Type versiones 7 r.4606 (7.2.1) y anteriores (Movable Type versión 7), Movable Type Advanced versiones 7 r.4606 (7.2.1) y anteriores (Movable Type Advanced versión 7), Movable Type para AWS versiones 7 r.4606 (7.2.1) y anteriores (Movable Type para AWS versión 7), Movable Type versiones 6.5.3 y anteriores (Movable Type versión 6.5), Movable Type Advanced versiones 6.5.3 y anteriores (Movable Type Advanced versión 6.5), Movable Type versiones 6.3.11 y anteriores (Movable Type versión 6.3), Movable Type Advanced versiones 6.3.11 y anteriores (Movable Type versión 6.3), Movable Type Premium versiones 1.29 y anteriores, y Movable Type Premium Advanced versiones 1.29 y anteriores), permiten a atacantes autenticados remotos cargar archivos arbitrarios y ejecutar un script php por medio de vectores no especificados."
}
],
"lastModified": "2026-06-17T03:21:38.070",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3D88132B-1FE5-42F9-8E06-84DC0FA31C46",
"versionEndIncluding": "1.29"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2005D2D5-4CA2-4644-9F87-B7DCA1EBF132",
"versionEndIncluding": "1.29"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "98A6AEB4-B75E-4759-AD1B-D87D410652E6",
"versionEndIncluding": "6.3.11",
"versionStartIncluding": "6.3"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65955180-1085-4A67-9E96-AAAD69237E85",
"versionEndIncluding": "6.3.11",
"versionStartIncluding": "6.3"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "00F5146E-F4DF-44CD-A5AC-F42191FCE558",
"versionEndIncluding": "6.5.3",
"versionStartIncluding": "6.5.0"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62413AE4-54CE-4C8F-9CD3-8C6B5F118F85",
"versionEndIncluding": "6.5.3",
"versionStartIncluding": "6.5.0"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:aws:*:*",
"vulnerable": true,
"matchCriteriaId": "5A47BEEF-E49C-4AB5-BCB1-7A46B3784C6B",
"versionEndIncluding": "7.2.1",
"versionStartIncluding": "7.0"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5BE18A59-7288-4CB8-AFA0-C8CFAB9DCA09",
"versionEndIncluding": "7.2.1",
"versionStartIncluding": "7.0"
},
{
"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*",
"vulnerable": true,
"matchCriteriaId": "831E171A-BDA4-4181-B817-0D307B37D472",
"versionEndIncluding": "7.2.1",
"versionStartIncluding": "7.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "vultures@jpcert.or.jp"
}