CVEvulnerability
CVE-2020-36048
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-01-08
- 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 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400
Description
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
Affected configurations
• socket engine.io (< 4.0.0)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://blog.caller.xyz/socketio-engineio-dos/ Exploit, Third Party Advisory
- https://github.com/bcaller/kill-engine-io Third Party Advisory
- https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b Patch, Third Party Advisory
- https://blog.caller.xyz/socketio-engineio-dos/ Exploit, Third Party Advisory
- https://github.com/bcaller/kill-engine-io Third Party Advisory
- https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b Patch, Third Party Advisory