{"cve":"CVE-2024-21733","nvd":{"published":"2024-01-19T11:15:08.043","modified":"2026-06-17T07:10:02.277","status":"Modified","description":"Generation of Error Message Containing Sensitive Information vulnerability in Apache Tomcat.This issue affects Apache Tomcat: from 8.5.7 through 8.5.63, from 9.0.0-M11 through 9.0.43. Other, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 8.5.64 onwards or 9.0.44 onwards, which contain a fix for the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-209"],"references":["https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz","http://packetstormsecurity.com/files/176951/Apache-Tomcat-8.5.63-9.0.43-HTTP-Response-Smuggling.html","http://www.openwall.com/lists/oss-security/2024/01/19/2","https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz","https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html"],"products":["apache:tomcat"],"source":"nvd","synced_at":"2026-10-19T21:44:57.175229480+00:00"},"epss":{"cve":"CVE-2024-21733","score":0.14286,"percentile":0.96601,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f4qf-m5gf-8jm8","url":"https://osv.dev/vulnerability/GHSA-f4qf-m5gf-8jm8","summary":"Apache Tomcat vulnerable to Generation of Error Message Containing Sensitive Information","modified":"2026-06-18T23:30:07.644285940Z","packages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote","ranges":[">=9.0.0-M11 <9.0.44"],"fixed":["9.0.44"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core","ranges":[">=8.5.7 <8.5.64"],"fixed":["8.5.64"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core","ranges":[">=9.0.0-M11 <9.0.44"],"fixed":["9.0.44"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote","ranges":[">=8.5.7 <8.5.64"],"fixed":["8.5.64"]},{"ecosystem":"Maven","name":"org.apache.tomcat.experimental:tomcat-embed-programmatic","purl":"pkg:maven/org.apache.tomcat.experimental/tomcat-embed-programmatic","ranges":[">=9.0.43 <9.0.44"],"fixed":["9.0.44"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}