{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-6547", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2023-12-06T08:47:19.482Z", "datePublished": "2023-12-12T08:22:41.419Z", "dateUpdated": "2023-12-12T08:22:41.419Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "8.1.5", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "9.2.1", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "8.1.6"}, {"status": "unaffected", "version": "9.2.2"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Leandro Chaves (brdoors3)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.&nbsp;</p>"}], "value": "Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.\u00a0\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284: Improper Access Control", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2023-12-12T08:22:41.419Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost Server to versions 8.1.6, 9.2.2 or higher.</p>"}], "value": "Update Mattermost Server to versions 8.1.6, 9.2.2 or higher.\n\n"}], "source": {"advisory": "MMSA-2023-00271", "defect": ["https://mattermost.atlassian.net/browse/MM-54988"], "discovery": "EXTERNAL"}, "title": "Playbooks access/modification by removed team member", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "6FA74D02-6508-49A3-960F-22B84B6E5B51", "versionEndIncluding": "8.1.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "D00348C4-CEE7-474E-BBDC-4A66D6BBA4C8", "versionEndIncluding": "9.2.1", "versionStartIncluding": "9.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.\u00a0\n\n"}, {"lang": "es", "value": "Mattermost no valida la membres\u00eda del equipo cuando un usuario intenta acceder a un playbook, lo que permite que un usuario con permisos para un playbook pero sin permisos para el equipo en el que se encuentra el playbook acceda y modifique el playbook. Esto puede suceder si el usuario alguna vez fue miembro del equipo, obtuvo permisos para el playbook y luego fue eliminado del equipo."}], "id": "CVE-2023-6547", "lastModified": "2023-12-14T19:31:10.497", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 2.5, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2023-12-12T09:15:09.857", "references": [{"source": "responsibledisclosure@mattermost.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-284"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

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