#VU77489 Uncaught Exception in engine.io - CVE-2022-41940
Published: June 16, 2023
Vulnerability identifier: #VU77489
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-41940
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
engine.io
engine.io
Software vendor:
socket.io
socket.io
Description
The vulnerability allows a remote user to perform denial of service attacks.
The vulnerability exists due to an uncaught exception. A remote user can send specially crafted HTTP request to trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process.
Remediation
Install updates from vendor's website.