{"id":"CVE-2002-2272","aliases":["EUVD-2022-1803","GHSA-pqr5-9v2j-44xg"],"status":"published","title":"Apache Tomcat DoS via Malicious Get Request","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.09681,"percentile":0.95534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2002-12-31T05:00:00Z","modified":"2026-06-16T22:00:59Z","exploits":[{"source":"exploitdb","id":"EDB-22068","title":"Apache 1.3.x + Tomcat 4.0.x/4.1.x mod_jk - Chunked Encoding Denial of Service","type":"dos","platform":"unix","date":"2002-12-04","verified":true,"url":"https://www.exploit-db.com/exploits/22068"}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.tomcat:tomcat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"last_affected":"4.1.12"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.tomcat:tomcat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"last_affected":"4.1.12"}]}]}],"products":[{"vendor":"apache","product":"http_server"},{"vendor":"apache","product":"tomcat"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-12/0045.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/10771","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/6320","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-2272","tags":["advisory"]},{"url":"https://web.archive.org/web/20030501051114/http://www.securityfocus.com/bid/6320","tags":["web"]},{"url":"https://web.archive.org/web/20051124132812/http://archives.neohapsis.com/archives/bugtraq/2002-12/0045.html","tags":["web"]},{"url":"https://github.com/advisories/GHSA-pqr5-9v2j-44xg"}],"sources":{"cve":[{"id":"CVE-2002-2272","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","status":"published","published":"2007-10-18T10:00:00Z","modified":"2024-08-08T03:59:11.377Z","updated_at":"2026-11-02T14:33:54.29664Z"}],"euvd":[{"id":"EUVD-2022-1803","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","status":"published","published":"2007-10-18T10:00:00Z","modified":"2024-08-08T03:59:11Z","updated_at":"2026-11-03T01:14:53.910261Z"}],"ghsa":[{"id":"GHSA-pqr5-9v2j-44xg","title":"Apache Tomcat DoS via Malicious Get Request","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","status":"published","published":"2022-04-30T18:22:50Z","modified":"2024-02-12T20:23:13Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:37:38.20753Z"}],"nvd":[{"id":"CVE-2002-2272","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-06-16T22:00:59.773Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:00:43.787686Z"}],"osv":[{"id":"GHSA-pqr5-9v2j-44xg","title":"Apache Tomcat DoS via Malicious Get Request","description":"Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.","status":"published","published":"2022-04-30T18:22:50Z","modified":"2024-02-12T20:42:12.965625Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:53.700556Z"}]}}