CVE-2022-41940

Uncaught exception in engine.io

State
Published
Severity
7.1 High
Published
Nov 22, 2022
Updated
Apr 22, 2025
Reserved
Sep 30, 2022

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:HGitHub_M

Weaknesses

Affected Products

ProductVersions
engine.iosocketio
  • < 3.6.1Affected
  • >= 4.0.0, < 6.2.1Affected

References

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