CVE-2025-8023

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-8023", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-07-22T08:03:06.489Z", "datePublished": "2025-08-21T07:51:37.130Z", "dateUpdated": "2025-08-21T14:50:55.341Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "10.8.3", "status": "affected", "version": "10.8.0", "versionType": "semver"}, {"lessThanOrEqual": "10.5.8", "status": "affected", "version": "10.5.0", "versionType": "semver"}, {"lessThanOrEqual": "9.11.17", "status": "affected", "version": "9.11.0", "versionType": "semver"}, {"lessThanOrEqual": "10.9.2", "status": "affected", "version": "10.9.0", "versionType": "semver"}, {"version": "10.10.0", "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"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Dawid Kulikowski (daw10)"}], "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 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories."}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "baseSeverity": "MEDIUM", "baseScore": 6.8}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "cweId": "CWE-22"}]}], "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"value": "Update Mattermost to versions 10.10.0, 10.8.4, 10.5.9, 9.11.18, 10.9.3 or higher.", "lang": "en"}], "source": {"advisory": "MMSA-2025-00499", "defect": ["https://mattermost.atlassian.net/browse/MM-64596"], "discovery": "EXTERNAL"}, "title": "Path Traversal in Template Upload Allows Uploading Files Outside Target Directory", "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-08-21T07:51:37.130Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-21T14:50:47.920308Z", "id": "CVE-2025-8023", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-21T14:50:55.341Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-8023", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-08-21T14:50:47.920308Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-21T14:50:52.599Z"}}], "cna": {"title": "Path Traversal in Template Upload Allows Uploading Files Outside Target Directory", "source": {"defect": ["https://mattermost.atlassian.net/browse/MM-64596"], "advisory": "MMSA-2025-00499", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Dawid Kulikowski (daw10)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"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"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"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": "unaffected", "version": "10.10.0"}, {"status": "unaffected", "version": "10.8.4"}, {"status": "unaffected", "version": "10.5.9"}, {"status": "unaffected", "version": "9.11.18"}, {"status": "unaffected", "version": "10.9.3"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update Mattermost to versions 10.10.0, 10.8.4, 10.5.9, 9.11.18, 10.9.3 or higher."}], "references": [{"url": "https://mattermost.com/security-updates"}], "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 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-08-21T07:51:37.130Z"}}}, "cveMetadata": {"cveId": "CVE-2025-8023", "state": "PUBLISHED", "dateUpdated": "2025-08-21T14:50:55.341Z", "dateReserved": "2025-07-22T08:03:06.489Z", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "datePublished": "2025-08-21T07:51:37.130Z", "assignerShortName": "Mattermost"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "10.8.3", "status": "affected", "version": "10.8.0", "versionType": "semver"}, {"lessThanOrEqual": "10.5.8", "status": "affected", "version": "10.5.0", "versionType": "semver"}, {"lessThanOrEqual": "9.11.17", "status": "affected", "version": "9.11.0", "versionType": "semver"}, {"lessThanOrEqual": "10.9.2", "status": "affected", "version": "10.9.0", "versionType": "semver"}, {"status": "unaffected", "version": "10.10.0"}, {"status": "unaffected", "version": "10.8.4"}, {"status": "unaffected", "version": "10.5.9"}, {"status": "unaffected", "version": "9.11.18"}, {"status": "unaffected", "version": "10.9.3"}]}], "source": "responsibledisclosure@mattermost.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E2C0E13-B52A-4539-80B6-DC0FE8FF2E56", "versionEndExcluding": "9.11.18", "versionStartIncluding": "9.11.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "B95DCAE5-07C2-46B1-B03E-ED3FB9B2C568", "versionEndExcluding": "10.5.9", "versionStartIncluding": "10.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE00156D-6ACB-4F8C-BFFC-03A8127199A4", "versionEndExcluding": "10.8.4", "versionStartIncluding": "10.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "1499D0E1-ACA9-4FEE-915A-857F014E0AB9", "versionEndExcluding": "10.9.3", "versionStartIncluding": "10.9.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories."}, {"lang": "es", "value": "Las versiones 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 de Mattermost no pueden depurar las secuencias de path traversal en las rutas de destino de los archivos de plantilla, lo que permite que un administrador del sistema realice ataques de path traversal a trav\u00e9s de componentes de ruta maliciosos, lo que potencialmente permite la ubicaci\u00f3n de archivos maliciosos fuera de los directorios previstos."}], "id": "CVE-2025-8023", "lastModified": "2026-06-17T10:06:09.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-8023", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-08-21T14:50:47.920308Z", "version": "2.0.3"}}]}, "published": "2025-08-21T08:15:30.720", "references": [{"source": "responsibledisclosure@mattermost.com", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

{}

{"created": "2025-08-21T12:30:44.442551+00:00", "updated": "2025-08-21T12:30:44.442606+00:00", "vendors": ["mattermost", "mattermost$PRODUCT$mattermost"]}