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CVE-2021-29449: Multiple Privilege Escalation Vulnerabilities Pihole

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-14 · updated 2026-06-17
• Weakness: CWE-269

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.

Affected products

• pi-hole: through 5.2.4

References

• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
• http://packetstormsecurity.com/files/163715/Pi-Hole-Remove-Commands-Linux-Privilege-Escalation.html
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
• https://www.compass-security.com/fileadmin/Research/Advisories/2021-02_CSNC-2021-008_Pi-hole_Privilege_Escalation.txt

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