CVE-2024-23672 Apache Tomcat: WebSocket DoS with incomplete closing handshake

2024-03-1315:48:42

CWE-459

apache

www.cve.org

apache tomcat

websocket

dos

vulnerability

fix

available

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

10.4%

JSON

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.

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Tomcat",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "11.0.0-M16",
        "status": "affected",
        "version": "11.0.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.18",
        "status": "affected",
        "version": "10.1.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.0.85",
        "status": "affected",
        "version": "9.0.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.5.98",
        "status": "affected",
        "version": "8.5.0",
        "versionType": "semver"
      }
    ]
  }
]