The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "2017-03-17"
}
],
"source": "CPE_RANGE",
"vendor_product": "golang:crypto",
"cpes": [
"cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:*"
]
}
]
}