{
"id": "GHSA-rhcw-wjcm-9h6g",
"aliases": [
"CVE-2020-27782"
],
"details": "A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.",
"summary": "Denial of service in Undertow",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "2.1.0"
},
{
"fixed": "2.1.5"
}
]
}
],
"package": {
"name": "io.undertow:undertow-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.33"
}
]
}
],
"package": {
"name": "io.undertow:undertow-core",
"ecosystem": "Maven"
}
}
],
"modified": "2021-03-31T23:48:27Z",
"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": "2022-02-09T00:54:12Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27782",
"type": "ADVISORY"
},
{
"url": "https://github.com/undertow-io/undertow/pull/997/commits/98a9ab7f2d7fe7a7254eaf17d47816c452169c90",
"type": "WEB"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304",
"type": "WEB"
},
{
"url": "https://issues.redhat.com/browse/UNDERTOW-1813",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2021-02-23T19:15:00Z",
"github_reviewed_at": "2021-03-31T23:48:27Z"
}
}