Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.
{
"cna_assigner": "elastic",
"cwe_ids": [
"CWE-295"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37730.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.17.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "8.18.0"
},
{
"fixed": "8.18.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}