CVE-2024-23672

Apache Tomcat: WebSocket DoS with incomplete closing handshake

At a glance

Severity
MEDIUM 6.3
EPSS
EPSS 2.31 % · percentile 83 (2026-10-28)
State
PUBLISHED
Published
Updated
Assigner
apache
NVD status
Modified

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.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LCISA-ADP
CVSS 3.1MEDIUM 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

Advisories

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Apache Software Foundation · Apache Tomcataffected 11.0.0-M1 ≤ 11.0.0-M16 ; affected 10.1.0-M1 ≤ 10.1.18 ; affected 9.0.0-M1 ≤ 9.0.85 ; affected 8.5.0 ≤ 8.5.98 ; unknown 7 < 8.5.0 ; unknown 10.0.0-M1 ≤ 10.0.27

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD