In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "3.2.0"
},
{
"last_affected": "3.2.1"
},
{
"last_affected": "3.2.2"
},
{
"last_affected": "3.2.3"
},
{
"last_affected": "3.2.4"
},
{
"last_affected": "3.2.5"
},
{
"last_affected": "3.2.6"
},
{
"last_affected": "3.3.0"
},
{
"last_affected": "3.3.1"
},
{
"last_affected": "3.3.2"
},
{
"last_affected": "3.3.3"
},
{
"last_affected": "3.4.0"
}
],
"source": "CPE_FIELD",
"cpe": [
"cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.3.2:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.3.3:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:3.4.0:*:*:*:*:*:*:*"
]
}