{"id":"CVE-2002-0793","url":"https://www.cyber-defence.io/tools/cve/CVE-2002-0793","generatedAt":"2026-10-27T17:29:58.404Z","title":"Hard link and possibly symbolic link following vulnerabilities in QNX RTOS 4.25 (aka QNX4) allow local users to overwrite arbitrary files via (1) the -f argument to the monitor utility, (2) the -d argument to dumper, (3) the -c argument to crttrap, or…","description":"Hard link and possibly symbolic link following vulnerabilities in QNX RTOS 4.25 (aka QNX4) allow local users to overwrite arbitrary files via (1) the -f argument to the monitor utility, (2) the -d argument to dumper, (3) the -c argument to crttrap, or (4) using the Watcom sample utility.","published":"2002-08-12T04:00:00.000Z","lastModified":"2026-06-16T21:58:09.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-59"],"affected":["blackberry/qnx neutrino real-time operating system"],"epss":{"score":0.01343,"percentile":0.71175,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":3,"verified":true,"firstPublished":"2002-05-31","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":21501,"kind":"exploit","title":"QNX RTOS 4.25 - dumper Arbitrary File Modification","url":"https://www.exploit-db.com/exploits/21501","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/21501.txt","file":"exploits/linux/local/21501.txt","published":"2002-05-31","added":"2002-05-31","updated":"2012-09-23","author":"Simon Ouellette","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2002-0793","OSVDB-12216"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4904/info"},{"edbId":21500,"kind":"exploit","title":"QNX RTOS 4.25 - monitor Arbitrary File Modification","url":"https://www.exploit-db.com/exploits/21500","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/21500.txt","file":"exploits/linux/local/21500.txt","published":"2002-05-31","added":"2002-05-31","updated":"2012-09-23","author":"Simon Ouellette","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2002-0793","OSVDB-12215"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4902/info"},{"edbId":21499,"kind":"exploit","title":"QNX RTOS 4.25 - 'CRTTrap' File Disclosure","url":"https://www.exploit-db.com/exploits/21499","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/21499.txt","file":"exploits/linux/local/21499.txt","published":"2002-05-31","added":"2002-05-31","updated":"2012-09-23","author":"Simon Ouellette","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2002-0793","OSVDB-12217"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4901/info"}]},"verdict":{"level":"high","text":"3 public exploits are published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.3%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-05/0292.html","tags":["Broken Link","Exploit","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.iss.net/security_center/static/9231.php","tags":["Broken Link","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4901","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4902","tags":["Broken Link","Exploit","Patch","Third Party Advisory","VDB Entry","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4903","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4904","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9232","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9233","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9234","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-05/0292.html","tags":["Broken Link","Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.iss.net/security_center/static/9231.php","tags":["Broken Link","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4901","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4902","tags":["Broken Link","Exploit","Patch","Third Party Advisory","VDB Entry","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4903","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4904","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9232","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9233","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9234","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0793","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."}