CVE-2023-2788
Estado: ModificadaMedia (6.5)—
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- Puntuación base: 6.5
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: 8/10/2026
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-862
- CWE-613
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-2788",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-2788",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-12-06T22:55:17.392596Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.2,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "LOW",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.5,
"exploitabilityScore": 0.7
},
{
"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:H/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "responsibledisclosure@mattermost.com",
"affectedData": [
{
"vendor": "Mattermost",
"product": "Mattermost",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "7.1.9"
},
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "7.8.4"
},
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "7.9.3"
},
{
"status": "affected",
"version": "7.10.0"
},
{
"status": "unaffected",
"version": "7.1.10"
},
{
"status": "unaffected",
"version": "7.8.5"
},
{
"status": "unaffected",
"version": "7.9.4"
},
{
"status": "unaffected",
"version": "7.10.1"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2023-06-16T09:15:09.993",
"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": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "responsibledisclosure@mattermost.com",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-613"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.\n\n"
}
],
"lastModified": "2026-06-17T05:53:26.567",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "25CE0189-55BD-4A74-8844-59613D63A6FD",
"versionEndIncluding": "7.1.9",
"versionStartIncluding": "7.1.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "970C833F-3F25-43E1-B7AE-717BF35F998F",
"versionEndIncluding": "7.8.4",
"versionStartIncluding": "7.8.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EB584691-CB58-4D9A-B475-4078ED1984F3",
"versionEndIncluding": "7.9.3",
"versionStartIncluding": "7.9.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:7.10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "980D0FB9-D2FF-4C31-BC92-07073A8F4BB3"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "responsibledisclosure@mattermost.com"
}