CVE-2021-29449 Multiple Privilege Escalation Vulnerabilities Pihole
Attackers can escalate privileges on Pi-hole servers due to multiple vulnerabilities in the core application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29449?
CVE-2021-29449 is a medium-severity vulnerability in pi-hole, published on 14 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2021-29449?
It affects 1 product.
Products include Pi-Hole Pi-Hole.
How do I fix CVE-2021-29449?
No fix has been published for CVE-2021-29449 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-29449 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-29449 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in pi-hole
- CVE-2020-8816 Pi-Hole AdminLTE Remote Code Execution
- CVE-2025-34087 Pi-Hole AdminLTE Whitelist (now 'Web Allowlist') Remote Command Execution
- CVE-2026-50130 Pi-hole: Local privilege escalation from `pihole` user to root via `/etc/pihole/logrotate`
- CVE-2020-11108 File upload in n/a
- CVE-2019-13051 Pi-Hole 4.3 allows Command Injection.
Sources
Also known as GHSA-3597-244c-wrpj.