Description
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
Remediation
References
https://blog.caller.xyz/socketio-engineio-dos/
https://github.com/bcaller/kill-engine-io
https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b
Related Vulnerabilities
CVE-2021-35513 Vulnerability in npm package mermaid
CVE-2020-28168 Vulnerability in maven package org.webjars.npm:axios
CVE-2017-16210 Vulnerability in npm package jn_jj_server
CVE-2019-15603 Vulnerability in npm package seeftl
CVE-2018-20318 Vulnerability in maven package com.github.binarywang:weixin-java-common