Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).
{ "versions": [ { "introduced": "0" }, { "fixed": "5.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12620.json"