In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44227.json"
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.38"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.38"
}
]
}
]