CVE-2020-36049
HIGHSocket.io-parser < 3.4.1 - Resource Allocation Without Limits
Title source: ruleDescription
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://blog.caller.xyz/socketio-engineio-dos/
Third Party Advisory x_refsource_misc
https://github.com/bcaller/kill-engine-io
Patch, Third Party Advisory x_refsource_misc
https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55
Scores
CVSS v3
7.5
EPSS
0.0053
EPSS Percentile
67.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (2)
npm/socket.io-parser
0 - 3.3.2npm
socket/socket.io-parser
< 3.4.1
Published
Jan 08, 2021
Tracked Since
Feb 18, 2026