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CVE-2024-21733

Apache Tomcat: Leaking of unrelated request bodies in default error page

Published: Jan 19, 2024Updated: Nov 3, 2025 Sources: CVE List NVD GHSA BDUCWE-209
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
14.3%
Top 3.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-209

Affected Products

Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
org.apache.tomcat:tomcat-coyoteMavenOSS Libraries
org.apache.tomcat.embed:tomcat-embed-coreMavenOSS Libraries
org.apache.tomcat.experimental:tomcat-embed-programmaticMavenOSS Libraries
tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
mavenpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
lists.apache.org
https://nvd.nist.gov/vuln/detail/CVE-2024-21733
nvd.nist.gov
https://github.com/apache/tomcat/commit/86ccc43940861703c2be96a5f35384407522125a
github.com
and 17 more references View all →

Timeline

Published
Jan 19, 2024
Last Updated
Nov 3, 2025

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