d and BSDI ftpd allows remote attackers to gain root access via the SITE EXEC command. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-0955","sourceIdentifier":"cve@mitre.org","published":"1997-09-23T04:00:00.000","lastModified":"2026-06-16T21:49:24.103","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Race condition in wu-ftpd and BSDI ftpd allows remote attackers to gain root access via the SITE EXEC command."}],"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:N/AC:H/Au:N/C:C/I:C/A:C","baseScore":7.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":4.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":true,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"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:2.4.1:*:*:*:*:*:*:*","matchCriteriaId":"28E5257A-F5ED-482C-9A0B-3B576513E7D7"}]}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0955","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0955","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},