CVE-2020-14971 Code injection in n/a
Attackers can execute arbitrary code by modifying Teleporter backup files and restoring them via the web interface.
- 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-2020-14971?
CVE-2020-14971 is a high-severity code injection vulnerability in n/a, published on 23 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Pi-hole through 5.0 allows code injection in piholedhcp (the Static DHCP Leases section) by modifying Teleporter backup files and then restoring them. This occurs in settings.php. To exploit this, an attacker would request a backup of limited files via teleporter.php. These are placed into a .tar.gz archive. The attacker then modifies the host parameter in dnsmasq.d files, and then compresses and uploads these files again.
Weakness: CWE-862
Which versions are affected by CVE-2020-14971?
It affects 1 product.
Products include Pi-Hole Pi-Hole.
How do I fix CVE-2020-14971?
No fix has been published for CVE-2020-14971 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-14971 being exploited?
There is no known exploitation of CVE-2020-14971 in the wild and no public exploit code.
Other vulnerabilities in n/a
- 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-wjqw-p6cv-p8gj.