CVE-2023-43754

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-43754", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2023-11-22T11:37:35.971Z", "datePublished": "2023-11-27T09:11:13.283Z", "dateUpdated": "2024-08-02T19:52:11.105Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "7.8.12", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "8.1.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "9.0.1", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "9.1.0", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "9.0.2"}, {"status": "unaffected", "version": "9.1.1"}, {"status": "unaffected", "version": "7.8.13"}, {"status": "unaffected", "version": "8.1.4"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Harrison Healey"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost fails to check whether the&nbsp; \u201cAllow users to view archived channels\u201d&nbsp; setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the&nbsp;\u201cAllow users to view archived channels\u201d setting is disabled.&nbsp;</p>"}], "value": "Mattermost fails to check whether the\u00a0 \u201cAllow users to view archived channels\u201d\u00a0 setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the\u00a0\u201cAllow users to view archived channels\u201d setting is disabled.\u00a0\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2023-11-27T09:11:13.283Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost Server to versions 9.0.2, 9.1.1, 7.8.13, 8.1.4 or higher.</p>"}], "value": "Update Mattermost Server to versions 9.0.2, 9.1.1, 7.8.13, 8.1.4 or higher.\n\n"}], "source": {"advisory": "MMSA-2023-00241", "defect": ["https://mattermost.atlassian.net/browse/MM-54221"], "discovery": "INTERNAL"}, "title": "Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T19:52:11.105Z"}, "title": "CVE Program Container", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "7.8.12", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "8.1.3", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "9.0.1", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "9.1.0", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "9.0.2"}, {"status": "unaffected", "version": "9.1.1"}, {"status": "unaffected", "version": "7.8.13"}, {"status": "unaffected", "version": "8.1.4"}]}], "source": "responsibledisclosure@mattermost.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "matchCriteriaId": "BAEFCB9C-4CFC-4C2D-B53D-4A1E9B54E744", "versionEndIncluding": "7.8.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "matchCriteriaId": "7CFE72E8-D2A6-4994-88F6-2B04DB413631", "versionEndIncluding": "8.1.3", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF5E1B7D-7237-4464-9873-0A85C80CC76A", "versionEndIncluding": "9.0.1", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost:9.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "9D960BDC-FB30-4112-B1CC-219D1EC32145", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mattermost fails to check whether the\u00a0 \u201cAllow users to view archived channels\u201d\u00a0 setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the\u00a0\u201cAllow users to view archived channels\u201d setting is disabled.\u00a0\n\n"}, {"lang": "es", "value": "Mattermost no verifica si la configuraci\u00f3n \"Permitir a los usuarios ver canales archivados\" est\u00e1 habilitada durante la visualizaci\u00f3n de vistas previas de enlaces permanentes, lo que permite a los miembros ver vistas previas de enlaces permanentes de canales archivados incluso si la configuraci\u00f3n \"Permitir a los usuarios ver canales archivados\" est\u00e1 deshabilitada."}], "id": "CVE-2023-43754", "lastModified": "2026-06-17T06:26:22.297", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-27T10:15:07.657", "references": [{"source": "responsibledisclosure@mattermost.com", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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