CVE-2021-21443
Estado: ModificadaMedia (4.3)—
Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.
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: 0.82%
- Percentil entre todas las CVEs puntuadas: 56
- Fecha de la puntuación: 7/10/2026
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-200
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-21443",
"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": "security@otrs.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.5,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.1
},
{
"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": "security@otrs.com",
"affectedData": [
{
"vendor": "OTRS AG",
"product": "((OTRS)) Community Edition",
"versions": [
{
"status": "affected",
"version": "6.0.1",
"lessThan": "6.0.x*",
"versionType": "custom"
}
]
},
{
"vendor": "OTRS AG",
"product": "OTRS",
"versions": [
{
"status": "affected",
"version": "7.0.x",
"lessThan": "7.0.27",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-07-26T05:15:07.507",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
"source": "security@otrs.com"
},
{
"url": "https://otrs.com/release-notes/otrs-security-advisory-2021-13/",
"tags": [
"Vendor Advisory"
],
"source": "security@otrs.com"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://otrs.com/release-notes/otrs-security-advisory-2021-13/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security@otrs.com",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27."
},
{
"lang": "es",
"value": "Unos agentes pueden enumerar los correos electrónicos de los usuarios de los clientes sin los permisos requeridos en la pantalla de acciones masivas. Este problema afecta a: OTRS AG ((OTRS)) Community Edition: versión 6.0.x versión 6.0.1 y versiones posteriores. OTRS AG OTRS: versiones 7.0.x anteriores a 7.0.27"
}
],
"lastModified": "2026-06-17T03:35:35.110",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2330DDC0-20DF-4031-A4A3-017F0E73C08A",
"versionEndIncluding": "6.0.32",
"versionStartIncluding": "6.0.0"
},
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D7F285C0-B9FC-4AF7-85D0-19F6594AAB7B",
"versionEndIncluding": "7.0.27",
"versionStartIncluding": "7.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@otrs.com"
}