CVE-2021-29449

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.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

6.3 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

1.86% chance of exploitation in the next 30 days, 78th percentile

Published

2021-04-14

Updated

2026-04-06

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/163715/Pi-Hole-Remove-Commands-Linux-Privilege-Escal…

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/pihole_remove_comman…

References

• CVE Record
• NVD entry

Related

• CVE-2021-29447
• CVE-2021-29450
• CVE-2021-29442
• CVE-2021-29460
• CVE-2021-29441
• CVE-2021-29472