2025-03-21 11:03:50 +00:00

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{
"id": "CVE-2025-27715",
"sourceIdentifier": "responsibledisclosure@mattermost.com",
"published": "2025-03-21T09:15:13.100",
"lastModified": "2025-03-21T09:15:13.100",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "responsibledisclosure@mattermost.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N",
"baseScore": 3.3,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 0.7,
"impactScore": 2.5
}
]
},
"weaknesses": [
{
"source": "responsibledisclosure@mattermost.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"references": [
{
"url": "https://mattermost.com/security-updates",
"source": "responsibledisclosure@mattermost.com"
}
]
}