CVEvulnerability

CVE-2022-21676

7.5 HIGH Published 2022-01-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-01-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-754, CWE-755

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 starting from version `4.0.0`, including those who uses depending packages like `socket.io`. Versions prior to `4.0.0` are not impacted. A fix has been released for each major branch, namely `4.1.2` for the `4.x.x` branch, `5.2.1` for the `5.x.x` branch, and `6.1.1` for the `6.x.x` branch. There is no known workaround except upgrading to a safe version.

Affected configurations

• socket engine.io (>= 4.0.0 < 4.1.2) • socket engine.io (>= 5.0.0 < 5.2.1) • socket engine.io (>= 6.0.0 < 6.1.1)

Related

Weakness · CWE (2)

  • CWE-754 Improper Check for Unusual or Exceptional Conditions weakness
  • CWE-755 Improper Handling of Exceptional Conditions weakness

References