In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API. When the access_key and security_key parameters are set using the _snapshot API they can be exposed as plain text by users able to query the _snapshot API.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.0.0"
},
{
"last_affected": "6.2.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:elastic:elasticsearch:6.0.0:beta1:*:*:*:*:*:*",
"range": [
{
"introduced": "6.0.0-beta1"
},
{
"last_affected": "6.0.0-beta1"
}
],
"source": "CPE_STRING"
}
]
}