CVE-2022-41940highCWE-248

CVE-2022-41940: high-severity vulnerability in socketio engine.io

Uncaught exception in engine.io

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 2.1%
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:H
Affected products
socketio · engine.io
Related CVEs — socketio engine.io

In the same product, most dangerous first.

CVE-2022-21676HIGHUncaught Exception in engine.ioEPSS 2.9%CVE-2023-31125MEDIUMUncaught exception in engine.ioEPSS 1.3%CVE-2026-59725HIGHSocket.IO: Engine.IO Polling Transport Connection ExhaustionEPSS 0.6%