{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2019-25337", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-02-12T14:45:41.569Z", "datePublished": "2026-02-12T22:48:45.879Z", "dateUpdated": "2026-02-12T22:48:45.879Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-02-12T22:48:45.879Z"}, "datePublic": "2019-11-29T00:00:00.000Z", "title": "OwnCloud 8.1.8 - Username Disclosure", "descriptions": [{"lang": "en", "value": "OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wildcard search parameter to retrieve comprehensive user information."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Observable Discrepancy", "cweId": "CWE-203", "type": "CWE"}]}], "affected": [{"vendor": "OwnCloud", "product": "OwnCloud", "versions": [{"version": "8.1.8", "status": "affected"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 5.3, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://www.exploit-db.com/exploits/47745", "name": "ExploitDB-47745", "tags": ["exploit"]}, {"url": "https://owncloud.org/", "name": "OwnCloud Official Homepage", "tags": ["product"]}, {"url": "https://ftp.icm.edu.pl/packages/owncloud/", "name": "OwnCloud Software Download Repository", "tags": ["product"]}, {"name": "VulnCheck Advisory: OwnCloud 8.1.8 - Username Disclosure", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/owncloud-username-disclosure"}], "credits": [{"lang": "en", "value": "Daniel Moreno", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}}}

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