CVE-2021-29449: Pi-Hole

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. Multiple privilege escalation vulnerabilities were discovered in version 5.2.4 of Pi-hole core. See the referenced GitHub security advisory for details.

Affected products

• Pi-hole Pi-Hole: up to and including 5.2.4

Published 2021-04-14. Last modified 2026-06-17.