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.
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "6.0.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.0.33-sp2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.1.5-sp1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.2.3-sp1"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27782.json"