CVE-2021-21634
Estado: ModificadaMedia (6.5)—
Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.81%
- Percentil entre todas las CVEs puntuadas: 55
- 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-522
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-21634",
"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": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "jenkinsci-cert@googlegroups.com",
"affectedData": [
{
"vendor": "Jenkins project",
"product": "Jenkins Jabber (XMPP) notifier and control Plugin",
"versions": [
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "1.41"
}
]
}
]
}
],
"published": "2021-03-30T12:16:10.687",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2021/03/30/1",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "jenkinsci-cert@googlegroups.com"
},
{
"url": "https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2162",
"tags": [
"Vendor Advisory"
],
"source": "jenkinsci-cert@googlegroups.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2021/03/30/1",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2162",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-522"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system."
},
{
"lang": "es",
"value": "El plugin de notificación y control de Jenkins Jabber (XMPP) versiones 1.41 y anteriores, almacena unas contraseñas sin cifrar en su archivo de configuración global en el controlador de Jenkins, donde pueden ser visualizadas por unos usuarios con acceso al sistema de archivos del controlador de Jenkins."
}
],
"lastModified": "2026-06-17T03:35:54.520",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:jenkins:jabber_\\(xmpp\\)_notifier_and_control:*:*:*:*:*:jenkins:*:*",
"vulnerable": true,
"matchCriteriaId": "CC2E96AC-AD67-418C-A735-696E35E84D1F",
"versionEndIncluding": "1.41"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}