ows any user and password combination. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-0156","sourceIdentifier":"cve@mitre.org","published":"1997-07-01T04:00:00.000","lastModified":"2026-06-16T21:47:43.220","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"wu-ftpd FTP daemon allows any user and password combination."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","baseScore":4.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":true,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:washington_university:wu-ftpd:*:*:*:*:*:*:*:*","matchCriteriaId":"E0326E91-1E2D-4F29-BFEA-11BE48640AE8"}]}]}],"references":[{"url":"https://www.cve.org/CVERecord?id=CVE-1999-0156","source":"cve@mitre.org"},{"url":"https://www.cve.org/CVERecord?id=CVE-1999-0156","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},