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CVE-2020-36049
socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a…
High7.5EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmsocket.io-parserGHSA-xfhh-g9f5-x4m4 (opens in a new tab)
References (3)
- https://blog.caller.xyz/socketio-engineio-dos/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/bcaller/kill-engine-io (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xfhh-g9f5-x4m4 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-36049)Record last updated .