ault, null, blank, or missing password. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-0502","sourceIdentifier":"cve@mitre.org","published":"1998-03-01T05:00:00.000","lastModified":"2026-06-16T21:48:31.960","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A Unix account has a default, null, blank, or missing password."}],"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:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"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:o:hp:hp-ux:10.20:*:*:*:*:*:*:*","matchCriteriaId":"EDE44C49-172C-4899-8CC8-29AA99A7CD2F"},{"vulnerable":true,"criteria":"cpe:2.3:o:hp:hp-ux:11:*:*:*:*:*:*:*","matchCriteriaId":"87FB80D8-1BE7-46F7-9F7E-B7DA88D039F8"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*","matchCriteriaId":"2DFA94D5-0139-490C-8257-0751FE9FBAE4"},{"vulnerable":true,"criteria":"cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*","matchCriteriaId":"34EBF074-78C8-41AF-88F1-DA6726E56F8B"},{"vulnerable":true,"criteria":"cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*","matchCriteriaId":"39F847DB-65A9-47DA-BCFA-A179E5E2301A"},{"vulnerable":true,"criteria":"cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*","matchCriteriaId":"08003947-A4F1-44AC-84C6-9F8D097EB759"},{"vulnerable":true,"criteria":"cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:*","matchCriteriaId":"A2475113-CFE4-41C8-A86F-F2DA6548D224"}]}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0502","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0502","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},