Vulnerability record · CVE-2024-21733 · published 19 January 2024

CVE-2024-21733: Apache tomcat error message information leak vulnerability

Apache · Tomcat

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. Users are recommended to upgrade to version 8.5.64 onwards or 9.0.44 onwards, which contain a fix for the issue.

5.3 CVSS 3.1 Medium EPSS 14% · top 3.5% CWE-209 · Error message information leak

5.3CVSS 3.1 base score

14%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Tomcat Apache

References

Link	Tags
https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz	Mailing ListPatchVendor Advisory
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	Mailing ListPatchThird Party Advisory
https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz	Mailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
https://security.netapp.com/advisory/ntap-20240216-0005/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-21733), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.