{"id":"CVE-2002-0824","url":"https://www.cyber-defence.io/tools/cve/CVE-2002-0824","generatedAt":"2026-10-27T18:32:32.348Z","title":"BSD pppd allows local users to change the permissions of arbitrary files via a symlink attack on a file that is specified as a tty device.","description":"BSD pppd allows local users to change the permissions of arbitrary files via a symlink attack on a file that is specified as a tty device.","published":"2002-08-12T04:00:00.000Z","lastModified":"2026-06-16T21:58:12.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":6.9,"severity":"MEDIUM","vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-59"],"affected":["freebsd/point-to-point protocol daemon"],"epss":{"score":0.0066,"percentile":0.51318,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2002-07-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":21669,"kind":"exploit","title":"FreeBSD 4.x / NetBSD 1.4.x/1.5.x/1.6 / OpenBSD 3 - pppd Arbitrary File Permission Modification Race Condition","url":"https://www.exploit-db.com/exploits/21669","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/bsd/local/21669.pl","file":"exploits/bsd/local/21669.pl","published":"2002-07-29","added":"2002-07-29","updated":"2012-10-02","author":"Sebastian Krahmer","type":"local","platform":"bsd","port":null,"verified":true,"codes":["CVE-2002-0824","OSVDB-20753"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/5355/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 0.7%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-010.txt.asc","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=102812546815606&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.iss.net/security_center/static/9738.php","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://www.openbsd.org/errata31.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/5355","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-010.txt.asc","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=102812546815606&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.iss.net/security_center/static/9738.php","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openbsd.org/errata31.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/5355","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0824","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}