{"id":"CVE-2002-0079","url":"https://www.cyber-defence.io/tools/cve/CVE-2002-0079","generatedAt":"2026-10-27T20:51:14.714Z","title":"Buffer overflow in the chunked encoding transfer mechanism in Internet Information Server (IIS) 4.0 and 5.0 Active Server Pages allows attackers to cause a denial of service or execute arbitrary code.","description":"Buffer overflow in the chunked encoding transfer mechanism in Internet Information Server (IIS) 4.0 and 5.0 Active Server Pages allows attackers to cause a denial of service or execute arbitrary code.","published":"2002-04-22T04:00:00.000Z","lastModified":"2026-06-16T21:56:44.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":[],"affected":["microsoft/internet information server","microsoft/internet information services"],"epss":{"score":0.77956,"percentile":0.99569,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":4,"verified":true,"firstPublished":"2002-04-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":21371,"kind":"exploit","title":"Microsoft IIS 4.0/5.0 - Chunked Encoding Transfer Heap Overflow (4)","url":"https://www.exploit-db.com/exploits/21371","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/21371.c","file":"exploits/windows/remote/21371.c","published":"2002-04-24","added":"2002-04-24","updated":"2017-11-15","author":"yuange","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2002-0079","OSVDB-768"],"tags":null,"aliases":"aspcode.c","applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4485/info"},{"edbId":21369,"kind":"exploit","title":"Microsoft IIS 4.0/5.0 - Chunked Encoding Transfer Heap Overflow (2)","url":"https://www.exploit-db.com/exploits/21369","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/21369.c","file":"exploits/windows/remote/21369.c","published":"2002-04-14","added":"2002-04-14","updated":"2012-09-18","author":"hsj","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2002-0079","OSVDB-768"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4485/info"},{"edbId":21370,"kind":"exploit","title":"Microsoft IIS 4.0/5.0 - Chunked Encoding Transfer Heap Overflow (3)","url":"https://www.exploit-db.com/exploits/21370","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/21370.c","file":"exploits/windows/remote/21370.c","published":"2002-04-10","added":"2002-04-10","updated":"2012-09-18","author":"NeMeS||y","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2002-0079","OSVDB-768"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4485/info"},{"edbId":21368,"kind":"exploit","title":"Microsoft IIS 4.0/5.0 - Chunked Encoding Transfer Heap Overflow (1)","url":"https://www.exploit-db.com/exploits/21368","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/21368.c","file":"exploits/windows/remote/21368.c","published":"2002-04-10","added":"2002-04-10","updated":"2012-09-18","author":"CHINANSL Security Team","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2002-0079","OSVDB-768"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/4485/info"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 78.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://marc.info/?l=bugtraq&m=101846993304518&w=2","source":"cve@mitre.org"},{"url":"http://www.cert.org/advisories/CA-2002-09.html","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml","source":"cve@mitre.org"},{"url":"http://www.iss.net/security_center/static/8795.php","source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/610291","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4485","source":"cve@mitre.org"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A25","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=101846993304518&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cert.org/advisories/CA-2002-09.html","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.iss.net/security_center/static/8795.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/610291","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4485","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A25","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0079","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."}