CVE-2020-36048

HIGH

Socket Engine.io < 4.0.0 - Denial of Service

Title source: rule

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.

Core 3

Core References

Patch, Third Party Advisory x_refsource_misc

Exploit, Third Party Advisory x_refsource_misc

Third Party Advisory x_refsource_misc

CVSS v3 7.5

EPSS 0.0050

EPSS Percentile 66.2%

Attack Vector NETWORK

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

CWE

CWE-400

Status published

Products (2)

npm/engine.io 0 - 3.6.0npm

socket/engine.io < 4.0.0

Published Jan 08, 2021

Tracked Since Feb 18, 2026