CVE-2017-5493

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-01-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-11-03T18:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://wpvulndb.com/vulnerabilities/8721"}, {"name": "95401", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/95401"}, {"name": "DSA-3779", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2017/dsa-3779"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://codex.wordpress.org/Version_4.7.1"}, {"name": "[oss-security] 20170114 Re: CVE Request: Wordpress: 8 security issues in 4.7", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"}, {"name": "1037591", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1037591"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-5493", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://wpvulndb.com/vulnerabilities/8721", "refsource": "MISC", "url": "https://wpvulndb.com/vulnerabilities/8721"}, {"name": "95401", "refsource": "BID", "url": "http://www.securityfocus.com/bid/95401"}, {"name": "DSA-3779", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2017/dsa-3779"}, {"name": "https://codex.wordpress.org/Version_4.7.1", "refsource": "CONFIRM", "url": "https://codex.wordpress.org/Version_4.7.1"}, {"name": "[oss-security] 20170114 Re: CVE Request: Wordpress: 8 security issues in 4.7", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"}, {"name": "1037591", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037591"}, {"name": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4", "refsource": "CONFIRM", "url": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}, {"name": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/", "refsource": "CONFIRM", "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T15:04:14.697Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://wpvulndb.com/vulnerabilities/8721"}, {"name": "95401", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/95401"}, {"name": "DSA-3779", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2017/dsa-3779"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://codex.wordpress.org/Version_4.7.1"}, {"name": "[oss-security] 20170114 Re: CVE Request: Wordpress: 8 security issues in 4.7", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"}, {"name": "1037591", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1037591"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-5493", "datePublished": "2017-01-15T02:00:00.000Z", "dateReserved": "2017-01-14T00:00:00.000Z", "dateUpdated": "2024-08-05T15:04:14.697Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*", "matchCriteriaId": "5C55F44C-4A71-4C47-9908-071A23D46939", "versionEndIncluding": "4.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup."}, {"lang": "es", "value": "wp-includes/ms-functions.php en la API Multisite WordPress en WordPress en versiones anteriores a 4.7.1 no elige adecuadamente los n\u00fameros aleatorios para claves, lo que hace que m\u00e1s f\u00e1cil para atacantes remotos eludir las restricciones destinadas al acceso a trav\u00e9s de una inscripci\u00f3n del (1) sitio o (2) usuario manipulado."}], "id": "CVE-2017-5493", "lastModified": "2026-06-17T01:20:36.630", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-15T02:59:03.077", "references": [{"source": "cve@mitre.org", "url": "http://www.debian.org/security/2017/dsa-3779"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/95401"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1037591"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://codex.wordpress.org/Version_4.7.1"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"}, {"source": "cve@mitre.org", "url": "https://wpvulndb.com/vulnerabilities/8721"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2017/dsa-3779"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/95401"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1037591"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://codex.wordpress.org/Version_4.7.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://wpvulndb.com/vulnerabilities/8721"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-338"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}