CVE-2025-49222

{"id": "CVE-2025-49222", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-49222", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-08-21T13:57:06.140700Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 2.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "affected": [{"source": "responsibledisclosure@mattermost.com", "affectedData": [{"vendor": "Mattermost", "product": "Mattermost", "versions": [{"status": "affected", "version": "10.8.0", "versionType": "semver", "lessThanOrEqual": "10.8.3"}, {"status": "affected", "version": "10.5.0", "versionType": "semver", "lessThanOrEqual": "10.5.8"}, {"status": "affected", "version": "9.11.0", "versionType": "semver", "lessThanOrEqual": "9.11.17"}, {"status": "affected", "version": "10.9.0", "versionType": "semver", "lessThanOrEqual": "10.9.2"}, {"status": "affected", "version": "10.10.0", "versionType": "semver", "lessThanOrEqual": "10.10.0"}, {"status": "unaffected", "version": "10.11.0"}, {"status": "unaffected", "version": "10.8.4"}, {"status": "unaffected", "version": "10.5.9"}, {"status": "unaffected", "version": "9.11.18"}, {"status": "unaffected", "version": "10.9.3"}, {"status": "unaffected", "version": "10.10.1"}], "defaultStatus": "unaffected"}]}], "published": "2025-08-21T08:15:30.177", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories."}, {"lang": "es", "value": "Las versiones de Mattermost 10.8.x &lt;= 10.8.3, 10.5.x &lt;= 10.5.8, 9.11.x &lt;= 9.11.17, 10.9.x &lt;= 10.9.2, 10.10.x &lt;= 10.10.0 no pueden validar los tipos de carga en sesiones de carga de cl\u00faster remoto, lo que permite que un administrador del sistema cargue tipos de archivos no adjuntos a trav\u00e9s de canales compartidos que potencialmente podr\u00edan ubicarse en directorios arbitrarios del sistema de archivos."}], "lastModified": "2026-06-17T09:30:56.957", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E2C0E13-B52A-4539-80B6-DC0FE8FF2E56", "versionEndExcluding": "9.11.18", "versionStartIncluding": "9.11.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B95DCAE5-07C2-46B1-B03E-ED3FB9B2C568", "versionEndExcluding": "10.5.9", "versionStartIncluding": "10.5.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BE00156D-6ACB-4F8C-BFFC-03A8127199A4", "versionEndExcluding": "10.8.4", "versionStartIncluding": "10.8.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1499D0E1-ACA9-4FEE-915A-857F014E0AB9", "versionEndExcluding": "10.9.3", "versionStartIncluding": "10.9.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:10.10.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "881B8E63-A35D-4883-A388-E68BD5529883"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}