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
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CVE-2021-23447 Vulnerability in npm package teddy
CVE-2020-8147 Vulnerability in npm package utils-extend
CVE-2023-30465 Vulnerability in maven package org.apache.inlong:manager-service
CVE-2020-5258 Vulnerability in maven package org.webjars:dojo