CVE-2023-32695 HIGH

CVE-2023-32695: Insufficient validation when decoding a Socket.IO packet

Vendor Socketio
Product socket.io-parser
Weakness CWE-20 · Input validation
Published May 27, 2023
Last update January 13, 2025

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.

Key dates

02Disclosure timeline

May 27, 2023 CVE published
January 13, 2025 Record updated