CVE-2021-21435
Estado: ModificadaMedia (6.5)—
Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 and prior versions.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.27%
- Percentil entre todas las CVEs puntuadas: 69
- 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
- CWE-200
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-21435",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@otrs.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.7,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.1
},
{
"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:N/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@otrs.com",
"affectedData": [
{
"vendor": "OTRS AG",
"product": "OTRS",
"versions": [
{
"status": "affected",
"version": "7.0.x",
"versionType": "custom",
"lessThanOrEqual": "7.0.23"
},
{
"status": "affected",
"version": "8.0.x",
"versionType": "custom",
"lessThanOrEqual": "8.0.10"
}
]
}
]
}
],
"published": "2021-02-08T11:15:14.177",
"references": [
{
"url": "https://otrs.com/release-notes/otrs-security-advisory-2021-02/",
"tags": [
"Vendor Advisory"
],
"source": "security@otrs.com"
},
{
"url": "https://otrs.com/release-notes/otrs-security-advisory-2021-02/",
"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": "CWE-200"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 and prior versions."
},
{
"lang": "es",
"value": "Los campos del Article Bcc y la información personal del agente son mostradas cuando el cliente imprime el ticket (PDF) por medio de una interfaz externa. Este problema afecta a: OTRS AG OTRS versiones 7.0.x versión 7.0.23 y versiones anteriores; versiones 8.0.x versión 8.0.10 y versiones anteriores"
}
],
"lastModified": "2026-06-17T03:35:34.247",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF384B2C-4D2C-48F9-B87F-5C908913624A",
"versionEndIncluding": "6.0.30",
"versionStartIncluding": "6.0.0"
},
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D9EF42E-697F-43B8-81B0-81A667782728",
"versionEndIncluding": "7.0.23",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1457040A-8ECF-4A96-9D65-97FFB4DD9F63",
"versionEndIncluding": "8.0.10",
"versionStartIncluding": "8.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@otrs.com"
}