{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-1777", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2023-03-31T11:34:59.009Z", "datePublished": "2023-03-31T11:35:22.813Z", "dateUpdated": "2023-03-31T11:35:22.813Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "7.7.1", "status": "affected", "version": "6.3.0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.5", "status": "affected", "version": "6.3.0", "versionType": "semver"}, {"lessThanOrEqual": "7.8.0", "status": "affected", "version": "6.3.0", "versionType": "semver"}, {"status": "unaffected", "version": "7.8.1"}, {"status": "unaffected", "version": "7.7.2"}, {"status": "unaffected", "version": "7.1.6"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Juho Nurminen"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div>Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.</div>"}], "value": "Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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": "2023-03-31T11:35:22.813Z"}, "references": [{"url": "https://mattermost.com/security-updates/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update Mattermost to version v7.8.0, v7.1.6, v7.7.2, or higher.<br>"}], "value": "Update Mattermost to version v7.8.0, v7.1.6, v7.7.2, or higher.\n"}], "source": {"advisory": "MMSA-2023-00141", "defect": ["https://mattermost.atlassian.net/browse/MM-50505"], "discovery": "INTERNAL"}, "title": "Information disclosure in linked message previews", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "68480D55-9BBC-46E3-8DE9-A2F13F2F8853", "versionEndExcluding": "7.1.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:7.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "BB8E1831-9267-467F-A646-84052F0A3FAE", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:7.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F76672DF-2ABD-4C95-A7CB-65AC3AA3F2C9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.\n\n"}], "id": "CVE-2023-1777", "lastModified": "2023-11-07T04:04:53.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2023-03-31T12:15:06.803", "references": [{"source": "responsibledisclosure@mattermost.com", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates/"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-668"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

{}