{
"id": "GHSA-p7jq-v8jp-j424",
"aliases": [
"CVE-2021-31406"
],
"details": "Non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server` versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.\n\n- https://vaadin.com/security/cve-2021-31406",
"summary": "Timing side channel vulnerability in endpoint request handler in Vaadin 15-19",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "5.0.4"
}
]
}
],
"package": {
"name": "com.vaadin:flow-server",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.0.1"
}
]
}
],
"package": {
"name": "com.vaadin:flow-server",
"ecosystem": "Maven"
},
"versions": [
"6.0.0"
]
}
],
"modified": "2021-04-16T23:15:49Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
}
],
"published": "2021-04-19T14:50:38Z",
"references": [
{
"url": "https://github.com/vaadin/flow/security/advisories/GHSA-p7jq-v8jp-j424",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31406",
"type": "ADVISORY"
},
{
"url": "https://github.com/vaadin/flow/pull/10157",
"type": "WEB"
},
{
"url": "https://vaadin.com/security/cve-2021-31406",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-208"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2021-04-23T16:15:00Z",
"github_reviewed_at": "2021-04-16T23:15:49Z"
}
}