{"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.","cvssScore":7.8,"cvssVersion":"2.0","cvssVector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","cvssMetrics":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","source":"nvd@nist.gov","sourceName":"NVD","type":"Primary"}],"cwes":["CWE-119"],"resolved":"MITIGATION-CANDIDATE","published":"2002-12-31","lastModified":"2026-06-16","affectedProducts":[{"vendor":"apache","product":"http server","version":"1.3"},{"vendor":"apache","product":"http server","version":"1.3.0"},{"vendor":"apache","product":"http server","version":"1.3.1"},{"vendor":"apache","product":"http server","version":"1.3.2"},{"vendor":"apache","product":"http server","version":"1.3.10"},{"vendor":"apache","product":"http server","version":"1.3.11"},{"vendor":"apache","product":"http server","version":"1.3.12"},{"vendor":"apache","product":"http server","version":"1.3.13"},{"vendor":"apache","product":"http server","version":"1.3.14"},{"vendor":"apache","product":"http server","version":"1.3.15"},{"vendor":"apache","product":"http server","version":"1.3.16"},{"vendor":"apache","product":"http server","version":"1.3.17"},{"vendor":"apache","product":"http server","version":"1.3.18"},{"vendor":"apache","product":"http server","version":"1.3.19"},{"vendor":"apache","product":"http server","version":"1.3.20"},{"vendor":"apache","product":"http server","version":"1.3.22"},{"vendor":"apache","product":"http server","version":"1.3.23"},{"vendor":"apache","product":"http server","version":"1.3.24"},{"vendor":"apache","product":"http server","version":"1.3.25"},{"vendor":"apache","product":"http server","version":"1.3.26"}],"totalAffectedProducts":2,"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/10771","source":"osv","tags":["WEB"]},{"url":"https://web.archive.org/web/20030501051114/http://www.securityfocus.com/bid/6320","source":"osv","tags":["WEB"]},{"url":"https://web.archive.org/web/20051124132812/http://archives.neohapsis.com/archives/bugtraq/2002-12/0045.html","source":"osv","tags":["WEB"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-12/0045.html","source":"cve@mitre.org","tags":["Patch"]},{"url":"http://www.securityfocus.com/bid/6320","source":"cve@mitre.org","tags":["Exploit","Patch"]}],"reasoning":{"decidingSource":"open-source-maven","decidingReason":"This CVE affects an open-source Java library published on Maven Central (Maven packages: org.apache.tomcat:tomcat), so it is squarely in ARMR's territory and the source needed to understand the defect is public. That makes it a candidate for an ARMR patch rule. No rule exists and none is scheduled: the diff between the affected and fixed versions has not been read, and a closer look may find no hook point ARMR can act on.","verdicts":[{"rule":"rejected","stage":"identity","outcome":"no-match"},{"rule":"armr-patch-file","stage":"scope","outcome":"no-match"},{"rule":"armr-secure-rule-file","stage":"scope","outcome":"no-match"},{"rule":"manual-classification","stage":"scope","outcome":"no-match"},{"rule":"h2-history","stage":"scope","outcome":"no-match"},{"rule":"non-java-upstream","stage":"scope","outcome":"no-match"},{"rule":"oracle-component","stage":"scope","outcome":"no-match"},{"rule":"osv-maven","stage":"scope","outcome":"matched","status":"QUEUED-FOR-REVIEW","detail":"Maven packages: org.apache.tomcat:tomcat"},{"rule":"patch-hint","stage":"disposition","outcome":"no-match"},{"rule":"open-source-maven","stage":"disposition","outcome":"matched","status":"MITIGATION-CANDIDATE","detail":"Open-source Maven artifact indexed by OSV (Maven packages: org.apache.tomcat:tomcat). The source is public, which makes an ARMR patch rule a candidate; nothing here establishes that one can be written.","decisive":true},{"rule":"poc-derivable","stage":"disposition","outcome":"skipped"},{"rule":"no-exploit","stage":"disposition","outcome":"skipped"},{"rule":"secure-rule-match","stage":"disposition","outcome":"no-match"},{"rule":"below-action-threshold","stage":"disposition","outcome":"no-match","detail":"Severity is HIGH — only MEDIUM/LOW are deprioritized"},{"rule":"no-exploit-published","stage":"disposition","outcome":"no-match","detail":"A KEV listing, a CISA verdict of active exploitation, or a reviewed exploit catalogue carries this CVE — somebody has published a working exploit, so it stays a candidate"}],"affectedProducts":[{"vendor":"apache","product":"http_server","isKnown":false,"cpe":"cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*"},{"vendor":"apache","product":"tomcat","isKnown":true,"cpe":"cpe:2.3:a:apache:tomcat:4.0.0:*:*:*:*:*:*:*","source":"yaml"}],"affectedPackages":[{"name":"org.apache.tomcat:tomcat","introduced":"4.0.0","lastAffected":"4.1.12"}]},"assessment":{"record":{"state":"active"},"protection":{"level":"none"},"action":{"state":"unverified","type":"patch-rule"},"review":{"state":"automated","basis":"inferred"}},"exploits":[{"source":"exploit-db","url":"https://www.exploit-db.com/exploits/22068","title":"Apache 1.3.x + Tomcat 4.0.x/4.1.x mod_jk - Chunked Encoding Denial of Service","date":"2002-12-04"}],"signals":{"hasPOC":true,"pocCount":1,"pocSources":["exploit-db"],"firstPOCDate":"2002-12-04"},"kev":{"inKEV":false},"epss":{"available":true,"score":0.09681,"percentile":0.95219},"ssvc":{"available":false}}