CVE-2020-13343
Estado: ModificadaAlta (8.8)—
Se ha detectado un problema en GitLab que afecta a todas las versiones a partir de la 11.2. Los Usuarios No Autorizados pueden Visualizar la Plantilla de Proyecto Personalizada
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: 1.50%
- Percentil entre todas las CVEs puntuadas: 74
- Fecha de la puntuación: 8/10/2026
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-668
Referencias
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13343.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/14861
- https://hackerone.com/reports/689314
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13343.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/14861
- https://hackerone.com/reports/689314
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-13343",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@gitlab.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.6
},
{
"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": "cve@gitlab.com",
"affectedData": [
{
"vendor": "GitLab",
"product": "GitLab",
"versions": [
{
"status": "affected",
"version": ">=11.2, <13.2.10"
},
{
"status": "affected",
"version": ">=13.3.0, <13.3.7"
},
{
"status": "affected",
"version": ">=13.4.0, <13.4.2"
}
]
}
]
}
],
"published": "2020-10-06T19:15:13.320",
"references": [
{
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13343.json",
"tags": [
"Third Party Advisory"
],
"source": "cve@gitlab.com"
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/14861",
"tags": [
"Broken Link"
],
"source": "cve@gitlab.com"
},
{
"url": "https://hackerone.com/reports/689314",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@gitlab.com"
},
{
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13343.json",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/14861",
"tags": [
"Broken Link"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://hackerone.com/reports/689314",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-668"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue has been discovered in GitLab affecting all versions starting from 11.2. Unauthorized Users Can View Custom Project Template"
},
{
"lang": "es",
"value": "Se ha detectado un problema en GitLab que afecta a todas las versiones a partir de la 11.2. Los Usuarios No Autorizados pueden Visualizar la Plantilla de Proyecto Personalizada"
}
],
"lastModified": "2026-06-17T02:52:59.613",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E39E490B-C1F6-446B-944E-EFF211B16BA6",
"versionEndIncluding": "13.4.3",
"versionStartIncluding": "11.2.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"vulnerable": true,
"matchCriteriaId": "25F45B80-2015-40A3-B7E3-EE37CC6393F5",
"versionEndIncluding": "13.4.3",
"versionStartIncluding": "11.2.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@gitlab.com"
}