CVE-2025-58084
Full vulnerability record from the local CVENow database.
Description
Mattermost Desktop App versions <= 5.13.0 fail to validate URLs external to the configured Mattermost servers, allowing an attacker on a server the user has configured to crash the user's application by sending the user a malformed URL.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-10-13 20:15:33.937000
Last modified
2026-10-19 16:10:00.260000
View original CVE JSON
{
"id": "CVE-2025-58084",
"sourceIdentifier": "[email protected]",
"published": "2025-10-13T20:15:33.937",
"lastModified": "2026-10-19T16:10:00.260",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mattermost Desktop App versions <= 5.13.0 fail to validate URLs external to the configured Mattermost servers, allowing an attacker on a server the user has configured to crash the user's application by sending the user a malformed URL."
},
{
"lang": "es",
"value": "Las versiones de la aplicación de escritorio de Mattermost menor o igual que 5.13.0 no validan las URL externas a los servidores Mattermost configurados, lo que permite a un atacante en un servidor que el usuario ha configurado bloquear la aplicación del usuario enviándole una URL malformada."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Mattermost",
"product": "Mattermost",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThanOrEqual": "5.13.0",
"versionType": "semver",
"status": "affected"
},
{
"version": "5.13.1",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"baseScore": 3.5,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.1,
"impactScore": 1.4
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-10-14T14:28:39.740317Z",
"id": "CVE-2025-58084",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1287"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.13.1.0",
"matchCriteriaId": "DF3A3DC2-7803-4FCA-BF64-0B784C497862"
}
]
}
]
}
],
"references": [
{
"url": "https://mattermost.com/security-updates",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}