CVEvulnerability

CVE-2022-41940

6.5 MEDIUM Published 2022-11-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-11-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-248

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.

Affected configurations

• socket engine.io (< 3.6.1) • socket engine.io (>= 4.0.0 < 6.2.1)

Related

Weakness · CWE (1)

  • CWE-248 Uncaught Exception weakness

References