What is GHSA-j4f2-536g-r55m?

GHSA-j4f2-536g-r55m is a security advisory published by GitHub Security Advisories with High severity. Resource exhaustion in engine.io

Which CVE IDs does GHSA-j4f2-536g-r55m cover?

GHSA-j4f2-536g-r55m covers the following CVE IDs: CVE-2020-36048. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j4f2-536g-r55m?

GHSA-j4f2-536g-r55m has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-j4f2-536g-r55m?

GHSA-j4f2-536g-r55m affects 1 product, including: npm/engine.io:\u003c 3.6.0.

GHSA-j4f2-536g-r55mHighCVSS 7.5

Resource exhaustion in engine.io

Vendor

GitHub Security Advisories

Published

February 9, 2022

Last Modified

May 29, 2025

🔗 CVE IDs covered (1)

CVE-2020-36048 →

📋 Description

Engine.IO before 4.0.0 and 3.6.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.

🎯 Affected products1

npm/engine.io:< 3.6.0

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-36048
https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b
https://github.com/bcaller/kill-engine-io
https://github.com/socketio/engine.io/commit/58e274c437e9cbcf69fd913c813aad8fbd253703
https://blog.caller.xyz/socketio-engineio-dos
https://github.com/advisories/GHSA-j4f2-536g-r55m