Skip to content

Resource exhaustion in engine.io

High severity GitHub Reviewed Published Feb 9, 2022 to the GitHub Advisory Database • Updated Jan 31, 2023

Package

npm engine.io (npm)

Affected versions

< 3.6.0

Patched versions

3.6.0

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.

References

Published by the National Vulnerability Database Jan 8, 2021
Reviewed Apr 6, 2021
Published to the GitHub Advisory Database Feb 9, 2022
Last updated Jan 31, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2020-36048

GHSA ID

GHSA-j4f2-536g-r55m

Source code

Credits

Checking history
See something to contribute? Suggest improvements for this vulnerability.