{"id":"CVE-2011-3190","description":"Certain AJP protocol connector implementations in Apache Tomcat 7.0.0 through 7.0.20, 6.0.0 through 6.0.33, 5.5.0 through 5.5.33, and possibly other versions allow remote attackers to spoof AJP requests, bypass authentication, and obtain sensitive information by causing the connector to interpret a request body as a new request.","cvssScore":7.5,"cvssVersion":"2.0","cvssVector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","cvssMetrics":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","source":"nvd@nist.gov","sourceName":"NVD","type":"Primary"}],"cwes":["CWE-264","CWE-287"],"resolved":"NO-EXPLOIT-PUBLISHED","published":"2011-08-31","lastModified":"2026-06-16","affectedProducts":[{"vendor":"apache","product":"tomcat","version":"7.0.0"},{"vendor":"apache","product":"tomcat","version":"7.0.0","update":"beta"},{"vendor":"apache","product":"tomcat","version":"7.0.1"},{"vendor":"apache","product":"tomcat","version":"7.0.2"},{"vendor":"apache","product":"tomcat","version":"7.0.3"},{"vendor":"apache","product":"tomcat","version":"7.0.4"},{"vendor":"apache","product":"tomcat","version":"7.0.5"},{"vendor":"apache","product":"tomcat","version":"7.0.6"},{"vendor":"apache","product":"tomcat","version":"7.0.7"},{"vendor":"apache","product":"tomcat","version":"7.0.8"},{"vendor":"apache","product":"tomcat","version":"7.0.9"},{"vendor":"apache","product":"tomcat","version":"7.0.10"},{"vendor":"apache","product":"tomcat","version":"7.0.11"},{"vendor":"apache","product":"tomcat","version":"7.0.12"},{"vendor":"apache","product":"tomcat","version":"7.0.13"},{"vendor":"apache","product":"tomcat","version":"7.0.14"},{"vendor":"apache","product":"tomcat","version":"7.0.16"},{"vendor":"apache","product":"tomcat","version":"7.0.17"},{"vendor":"apache","product":"tomcat","version":"7.0.19"},{"vendor":"apache","product":"tomcat","version":"7.0.20"}],"totalAffectedProducts":1,"references":[{"url":"https://github.com/apache/tomcat/commit/a2538ce78f83b7376c48d12d8247600079d789b1","source":"osv","tags":["WEB"]},{"url":"https://github.com/apache/tomcat55/commit/be3eb28f82250a5c81a1c42216570ebf892aefac","source":"osv","tags":["WEB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69472","source":"osv","tags":["WEB"]},{"url":"https://github.com/apache/tomcat","source":"osv","tags":["PACKAGE"]},{"url":"https://issues.apache.org/bugzilla/show_bug.cgi?id=51698","source":"osv","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e@%3Cdev.tomcat.apache.org%3E","source":"osv","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa@%3Cdev.tomcat.apache.org%3E","source":"osv","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf@%3Cdev.tomcat.apache.org%3E","source":"osv","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5@%3Cdev.tomcat.apache.org%3E","source":"osv","tags":["WEB"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14933","source":"osv","tags":["WEB"]}],"reasoning":{"decidingSource":"no-exploit-published","decidingReason":"This CVE is not listed in CISA KEV, CISA Vulnrichment records no active exploitation, and no reviewed exploit catalogue carries an entry for it. Nobody has published something a stranger can run, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.","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."},{"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":"matched","status":"NO-EXPLOIT-PUBLISHED","detail":"No working exploit has been published, and an upstream fix path does exist, so the remediation half of the candidacy still holds.","decisive":true}],"affectedProducts":[{"vendor":"apache","product":"tomcat","isKnown":true,"cpe":"cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*","source":"yaml"}],"affectedPackages":[{"name":"org.apache.tomcat:tomcat","introduced":"7.0.0","fixed":"7.0.21"},{"name":"org.apache.tomcat:tomcat","introduced":"6.0.0","fixed":"6.0.34"},{"name":"org.apache.tomcat:tomcat","introduced":"5.0.0","fixed":"5.5.34"}]},"assessment":{"record":{"state":"active"},"protection":{"level":"none"},"action":{"state":"unverified","type":"patch-rule"},"review":{"state":"automated","basis":"upstream-data"}},"signals":{"hasPOC":false,"pocCount":0},"kev":{"inKEV":false},"epss":{"available":true,"score":0.15226,"percentile":0.96562},"ssvc":{"available":false}}