CVE-2020-1776
Estado: ModificadaMedia (4.3)—
When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.
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: 0.92%
- Percentil entre todas las CVEs puntuadas: 59
- 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-613
- CWE-613
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-1776",
"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.x",
"versionType": "custom",
"lessThanOrEqual": "6.0.28"
}
]
},
{
"vendor": "OTRS AG",
"product": "OTRS",
"versions": [
{
"status": "affected",
"version": "7.0.x",
"versionType": "custom",
"lessThanOrEqual": "7.0.18"
},
{
"status": "affected",
"version": "8.0.x",
"versionType": "custom",
"lessThanOrEqual": "8.0.4"
}
]
}
]
}
],
"published": "2020-07-20T21:15:12.577",
"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-2020-13/",
"tags": [
"Patch",
"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-2020-13/",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security@otrs.com",
"description": [
{
"lang": "en",
"value": "CWE-613"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-613"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions."
},
{
"lang": "es",
"value": "Cuando un usuario de agente es renombrado o se establece como no válido, la sesión que pertenece al usuario se mantiene activa. La sesión no puede ser usada para acceder a los datos del ticket en caso de que el agente no sea válido. Este problema afecta a ((OTRS)) Community Edition: versiones 6.0.28 y anteriores. OTRS: versiones 7.0.18 y anteriores, versiones 8.0.4. y anteriores"
}
],
"lastModified": "2026-06-17T03:02:22.910",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3AE566F3-4B9B-41EB-BC44-344A6DDDC96E",
"versionEndExcluding": "6.0.29"
},
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "509BA09E-2D3D-44D1-86A2-836CEEBFDA8C",
"versionEndExcluding": "7.0.19",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "829A5F02-F738-4B71-BF9A-1511694E395E",
"versionEndExcluding": "8.0.5",
"versionStartIncluding": "8.0.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@otrs.com"
}