CVE-2024-23672 - CVE House
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Status published Unknown CVE-2024-23672

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Apache Software Foundation

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Affected Software

Apache Tomcat
Vulnerable Versions:
11.0.0-M1, 10.1.0-M1, 9.0.0-M1, 8.5.0, 7, 10.0.0-M1

Timeline

Official Publish: March 13th, 2024
Last Modified: October 29th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-459

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.