CVE-2024-4195
Estado: AnalizadaBaja (2.7)—
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
- Puntuación base: 2.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.50%
- Percentil entre todas las CVEs puntuadas: 41
- 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-284
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-4195",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-4195",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-04-26T18:19:58.356965Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 2.7,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 1.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 2.7,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "responsibledisclosure@mattermost.com",
"affectedData": [
{
"vendor": "Mattermost",
"product": "Mattermost",
"versions": [
{
"status": "affected",
"version": "9.6.0"
},
{
"status": "affected",
"version": "9.5.0",
"versionType": "semver",
"lessThanOrEqual": "9.5.2"
},
{
"status": "affected",
"version": "8.1.0",
"versionType": "semver",
"lessThanOrEqual": "8.1.11"
},
{
"status": "unaffected",
"version": "9.7.0"
},
{
"status": "unaffected",
"version": "9.6.1"
},
{
"status": "unaffected",
"version": "9.5.3"
},
{
"status": "unaffected",
"version": "8.1.12"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:jenkins:mattermost:*:*:*:*:*:jenkins:*:*"
],
"vendor": "jenkins",
"product": "mattermost",
"versions": [
{
"status": "unaffected",
"version": "9.7.0"
},
{
"status": "unaffected",
"version": "9.6.1"
},
{
"status": "unaffected",
"version": "9.5.3"
},
{
"status": "unaffected",
"version": "8.1.12"
},
{
"status": "affected",
"version": "9.6.0"
},
{
"status": "affected",
"version": "9.5.0"
},
{
"status": "affected",
"version": "8.1.0"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-04-26T09:15:12.897",
"references": [
{
"url": "https://mattermost.com/security-updates",
"tags": [
"Vendor Advisory"
],
"source": "responsibledisclosure@mattermost.com"
},
{
"url": "https://mattermost.com/security-updates",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.\n\n"
},
{
"lang": "es",
"value": "Las versiones Mattermost 9.6.0, 9.5.x anteriores a 9.5.3 y 8.1.x anteriores a 8.1.12 no logran validar completamente los cambios de roles, lo que permite a un atacante autenticado como administrador de equipo ascender a invitados a administradores de equipo a través de solicitudes HTTP manipuladas."
}
],
"lastModified": "2026-06-17T08:01:18.480",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78A6C1F3-95B8-4231-B5D8-C8BB65EA9BFB",
"versionEndExcluding": "8.1.12",
"versionStartIncluding": "8.1.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D4846F2D-56D5-4D24-BF0D-2075072A6ADF",
"versionEndExcluding": "9.5.3",
"versionStartIncluding": "9.5.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "responsibledisclosure@mattermost.com"
}