{"id":"CVE-2002-0511","aliases":["EUVD-2002-0507","GHSA-f788-g3hq-w67p"],"status":"published","title":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1...","description":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01584,"percentile":0.7573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:57:35Z","products":[{"vendor":"nscd","product":"nscd"}],"references":[{"url":"http://www.iss.net/security_center/static/8745.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/4399","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.calderasystems.com/support/security/advisories/CSSA-2002-013.0.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0511"},{"url":"https://github.com/advisories/GHSA-f788-g3hq-w67p"}],"sources":{"cve":[{"id":"CVE-2002-0511","description":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:49:28.794Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0507","description":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:49:28Z","updated_at":"2026-11-03T01:15:00.542292Z"}],"ghsa":[{"id":"GHSA-f788-g3hq-w67p","title":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1...","description":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.","status":"published","published":"2022-04-30T18:19:22Z","modified":"2023-01-30T05:06:04Z","updated_at":"2026-11-02T14:47:24.901969Z"}],"nvd":[{"id":"CVE-2002-0511","description":"The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.","status":"published","published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:57:35.11Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}