CVEvulnerability
CVE-2020-36049
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-770
Description
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.
Affected configurations
• socket socket.io-parser (< 3.4.1)
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
Referenced by CWE · observed example (1)
- CWE-1325 Improperly Controlled Sequential Memory Allocation 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/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55 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/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55 Patch, Third Party Advisory