MantisBT through 2.3.0 allows arbitrary password reset and unauthenticated admin access via an empty confirm_hash value to verify.php.
{ "versions": [ { "introduced": "0" }, { "last_affected": "2.3.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7615.json"