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CVE-2024-23672

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Published: Mar 13, 2024Updated: Aug 7, 2025 Sources: CVE List NVD GHSA BDUCWE-459
6.3MEDIUM
NVD MITRE
EPSS Score
2.3%
Top 18.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-459

Affected Products

Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Red Hat JBoss Web ServerOn-prem
Operating Systems / linux-distro
Maven
package-ecosystem
org.apache.tomcat:tomcat-websocket
OSS Libraries
org.apache.tomcat.embed:tomcat-embed-websocket
OSS Libraries
Apache Software Foundation
oss-project·USaka apache foundation
Apache TomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
apache
oss-project·USaka apache http server, apache httpd
tomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
and 9 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2024-23672?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f
lists.apache.org
http://www.openwall.com/lists/oss-security/2024/03/13/4
openwall.com
https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html
lists.debian.org
and 20 more references View all →

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