{
"id": "GHSA-j4f2-536g-r55m",
"aliases": [
"CVE-2020-36048"
],
"details": "Engine.IO before 4.0.0 and 3.6.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.",
"summary": "Resource exhaustion in engine.io",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.6.0"
}
]
}
],
"package": {
"name": "engine.io",
"ecosystem": "npm"
}
}
],
"modified": "2025-05-29T23:06:32Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"published": "2022-02-09T22:29:04Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36048",
"type": "ADVISORY"
},
{
"url": "https://github.com/socketio/engine.io/commit/58e274c437e9cbcf69fd913c813aad8fbd253703",
"type": "WEB"
},
{
"url": "https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b",
"type": "WEB"
},
{
"url": "https://blog.caller.xyz/socketio-engineio-dos",
"type": "WEB"
},
{
"url": "https://github.com/bcaller/kill-engine-io",
"type": "WEB"
},
{
"url": "https://github.com/socketio/engine.io",
"type": "PACKAGE"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2021-01-08T00:15:00Z",
"github_reviewed_at": "2021-04-06T22:58:33Z"
}
}