PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14002.json"
[
{
"events": [
{
"introduced": "0.68"
},
{
"last_affected": "0.73"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "31"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "32"
}
]
}
]