{"id":"CVE-2002-0147","url":"https://www.cyber-defence.io/tools/cve/CVE-2002-0147","generatedAt":"2026-10-27T17:29:46.791Z","title":"Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka \"Microsoft-discovered variant of Chunked Encoding buffer overrun.\"","description":"Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka \"Microsoft-discovered variant of Chunked Encoding buffer overrun.\"","published":"2002-04-22T04:00:00.000Z","lastModified":"2026-06-16T21:56:53.000Z","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":0.68024,"percentile":0.99319,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.68024,"percentile":0.99325}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 68.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-22T00:00:00.000Z","detail":{"to":0.68024,"from":0.61761,"percentile":0.99325},"summary":"EPSS moved from 61.8% to 68.0% probability of exploitation in the next thirty days."}],"references":[{"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/8796.php","source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/669779","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.osvdb.org/3301","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/4490","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%3A22","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A72","source":"cve@mitre.org"},{"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/8796.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/669779","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/3301","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/4490","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%3A22","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A72","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0147","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."}