{"id":"CVE-1999-1162","title":"Vulnerability in passwd in SCO UNIX 4.0 and earlier allows attackers to cause a denial of service by preventing users from being able to log into the system.","summary":"Vulnerability in passwd in SCO UNIX 4.0 and earlier allows attackers to cause a denial of service by preventing users from being able to log into the system.","severity":"medium","cvss":6.4,"cvssVector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","published":"1993-05-24","updated":"2026-06-16","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-1999-1162","references":[{"url":"http://www.cert.org/advisories/CA-1993-08.html","label":"cve@mitre.org"},{"url":"http://www.iss.net/security_center/static/542.php","label":"cve@mitre.org"},{"url":"http://www.cert.org/advisories/CA-1993-08.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.iss.net/security_center/static/542.php","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01155,"epssPercentile":0.6562,"ingestedAt":"2026-06-19T03:39:00.717Z","slug":"CVE-1999-1162","body":"## Overview\n\nVulnerability in passwd in SCO UNIX 4.0 and earlier allows attackers to cause a denial of service by preventing users from being able to log into the system.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}