A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-0816.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "18.04" } ] } ]