{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-27933", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-03-20T08:20:28.128Z", "datePublished": "2025-03-21T08:23:20.955Z", "dateUpdated": "2025-03-21T13:32:57.219Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "10.4.2", "status": "affected", "version": "10.4.0", "versionType": "semver"}, {"lessThanOrEqual": "10.3.3", "status": "affected", "version": "10.3.0", "versionType": "semver"}, {"lessThanOrEqual": "9.11.8", "status": "affected", "version": "9.11.0", "versionType": "semver"}, {"status": "unaffected", "version": "10.5.0"}, {"status": "unaffected", "version": "10.4.3"}, {"status": "unaffected", "version": "10.3.4"}, {"status": "unaffected", "version": "9.11.9"}]}], "credits": [{"lang": "en", "type": "finder", "value": "mrhashimamin"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost versions 10.4.x &lt;= 10.4.2, 10.3.x &lt;= 10.3.3, 9.11.x &lt;= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public</p>"}], "value": "Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public"}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-03-21T08:23:20.955Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost to versions 10.5.0, 10.4.3, 10.3.4, 9.11.9 or higher.</p>"}], "value": "Update Mattermost to versions 10.5.0, 10.4.3, 10.3.4, 9.11.9 or higher."}], "source": {"advisory": "MMSA-2025-00418", "defect": ["https://mattermost.atlassian.net/browse/MM-62401"], "discovery": "EXTERNAL"}, "title": "Unauthorized Private-to-Public Channel Conversion", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-03-21T13:32:36.989272Z", "id": "CVE-2025-27933", "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": "2025-03-21T13:32:57.219Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-27933", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-03-21T13:32:36.989272Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-21T13:32:41.162Z"}}], "cna": {"title": "Unauthorized Private-to-Public Channel Conversion", "source": {"defect": ["https://mattermost.atlassian.net/browse/MM-62401"], "advisory": "MMSA-2025-00418", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "mrhashimamin"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Mattermost", "product": "Mattermost", "versions": [{"status": "affected", "version": "10.4.0", "versionType": "semver", "lessThanOrEqual": "10.4.2"}, {"status": "affected", "version": "10.3.0", "versionType": "semver", "lessThanOrEqual": "10.3.3"}, {"status": "affected", "version": "9.11.0", "versionType": "semver", "lessThanOrEqual": "9.11.8"}, {"status": "unaffected", "version": "10.5.0"}, {"status": "unaffected", "version": "10.4.3"}, {"status": "unaffected", "version": "10.3.4"}, {"status": "unaffected", "version": "9.11.9"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update Mattermost to versions 10.5.0, 10.4.3, 10.3.4, 9.11.9 or higher.", "supportingMedia": [{"type": "text/html", "value": "<p>Update Mattermost to versions 10.5.0, 10.4.3, 10.3.4, 9.11.9 or higher.</p>", "base64": false}]}], "references": [{"url": "https://mattermost.com/security-updates"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public", "supportingMedia": [{"type": "text/html", "value": "<p>Mattermost versions 10.4.x &lt;= 10.4.2, 10.3.x &lt;= 10.3.3, 9.11.x &lt;= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-03-21T08:23:20.955Z"}}}, "cveMetadata": {"cveId": "CVE-2025-27933", "state": "PUBLISHED", "dateUpdated": "2025-03-21T13:32:57.219Z", "dateReserved": "2025-03-20T08:20:28.128Z", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "datePublished": "2025-03-21T08:23:20.955Z", "assignerShortName": "Mattermost"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public"}], "id": "CVE-2025-27933", "lastModified": "2025-03-21T09:15:13.260", "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": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2025-03-21T09:15:13.260", "references": [{"source": "responsibledisclosure@mattermost.com", "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

{}