Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-07-17 08:09

Modified

2026-09-08 08:34

Summary

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Details

Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.0, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "tomcat",
        "purl": "pkg:bitnami/tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.99"
            },
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.0.86"
            },
            {
              "introduced": "10.0.0"
            },
            {
              "fixed": "10.1.19"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-23672"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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 through 11.0.0, from 10.1.0 through 10.1.18, from 9.0.0 through 9.0.85, from 8.5.0 through 8.5.98.\n\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.",
  "id": "BIT-tomcat-2024-23672",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2025-07-17T08:09:47.503Z",
  "references": [
    {
      "type": "DISCUSSION",
      "url": "http://www.openwall.com/lists/oss-security/2024/03/13/4"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23672"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20240402-0002/"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache Tomcat: WebSocket DoS with incomplete closing handshake"
}

CVE-2024-23672 (GCVE-0-2024-23672)

Vulnerability from cvelistv5 – Published: 2024-03-13 15:48 – Updated: 2025-10-29 11:57

Title

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Summary

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.

Severity

6.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-03-13 18:10 UTC

CWE

CWE-459 - Incomplete Cleanup

Assigner

apache mitre root

References

6 references

URL	Tags
https://lists.apache.org/thread/cmpswfx6tj4s7x0nx…	vendor-advisory
https://security.netapp.com/advisory/ntap-2024040…	x_transferred
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
http://www.openwall.com/lists/oss-security/2024/03/13/4	x_transferred
https://lists.fedoraproject.org/archives/list/pac…	x_transferred
https://lists.fedoraproject.org/archives/list/pac…	x_transferred

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.0-M16 (semver) Affected: 10.1.0-M1 , ≤ 10.1.18 (semver) Affected: 9.0.0-M1 , ≤ 9.0.85 (semver) Affected: 8.5.0 , ≤ 8.5.98 (semver) Unknown: 7 , < 8.5.0 (semver) Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver)

Show details on NVD website

JSON

To clipboard

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            "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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