ailx command allows local users to read user files. NIST National Vulnerability Database (NVD) -- services.nvd.nist.gov (CVE / CVSS / CPE). {"cve":{"id":"CVE-1999-0123","sourceIdentifier":"cve@mitre.org","published":"1995-12-01T05:00:00.000","lastModified":"2026-06-16T21:47:38.280","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Race condition in Linux mailx command allows local users to read user files."}],"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:H/Au:N/C:P/I:P/A:P","baseScore":3.7,"accessVector":"LOCAL","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":1.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":true,"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:slackware:slackware_linux:3.0:*:*:*:*:*:*:*","matchCriteriaId":"FFC0D816-7D38-4CE1-B78C-3A02195713D5"}]}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0123","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0123","source":"af854a3a-2127-422b-91ae-364da2661108"}]}},