CVE-2021-21650
Estado: ModificadaMedia (4.3)—
Jenkins S3 publisher Plugin 0.11.6 and earlier does not perform Run/Artifacts permission checks in various HTTP endpoints and API models, allowing attackers with Item/Read permission to obtain information about artifacts uploaded to S3, if the optional Run/Artifacts permission is enabled.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.71%
- Percentil entre todas las CVEs puntuadas: 52
- 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)
Referencias
JSON original (NVD)
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{
"id": "CVE-2021-21650",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"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:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "jenkinsci-cert@googlegroups.com",
"affectedData": [
{
"vendor": "Jenkins project",
"product": "Jenkins S3 publisher Plugin",
"versions": [
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "0.11.6"
},
{
"status": "unaffected",
"version": "0.11.5.1"
}
]
}
]
}
],
"published": "2021-05-11T15:15:07.953",
"references": [
{
"url": "https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200",
"tags": [
"Vendor Advisory"
],
"source": "jenkinsci-cert@googlegroups.com"
},
{
"url": "https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "Jenkins S3 publisher Plugin 0.11.6 and earlier does not perform Run/Artifacts permission checks in various HTTP endpoints and API models, allowing attackers with Item/Read permission to obtain information about artifacts uploaded to S3, if the optional Run/Artifacts permission is enabled."
},
{
"lang": "es",
"value": "El plugin del editor de Jenkins versión S3 0.11.6 y anteriores no realiza comprobaciones de permisos de Run/Artifacts en varios endpoints HTTP y modelos de API, permitiendo a los atacantes con permiso de Item/Read obtener información sobre los artefactos subidos a S3, si el permiso opcional de Run/Artifacts está habilitado."
}
],
"lastModified": "2026-06-17T03:35:56.110",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:jenkins:s3_publisher:*:*:*:*:*:jenkins:*:*",
"vulnerable": true,
"matchCriteriaId": "11FD2274-FF7B-42DA-9EFB-4850EEEE0A3F",
"versionEndIncluding": "0.11.6"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}