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CVE-2022-41940

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CVE-2022-41940

Published: Nov 22, 2022

Modified: Apr 22, 2025

PUBLISHED

CVSS v3.1

7.1

HIGH

Description

Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the engine.io package, including those who uses depending packages like socket.io. There is no known workaround except upgrading to a safe version. There are patches for this issue released in versions 3.6.1 and 6.2.1.

VendorProductVersions

socketio

engine.io

affected
< 3.6.1
affected
>= 4.0.0, < 6.2.1

Weaknesses (CWE)

CWE-248

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

High

References

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