What’s Vulnerable › Vulnerabilities

CVE-2024-34361: Pi-hole Blind Server-Side Request Forgery (SSRF) vulnerability can lead to Remote Code Execution (RCE)

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-07-05 · updated 2026-06-17
• Weakness: CWE-918

Description

Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. A vulnerability in versions prior to 5.18.3 allows an authenticated user to make internal requests to the server via the `gravity_DownloadBlocklistFromUrl()` function. Depending on some circumstances, the vulnerability could lead to remote command execution. Version 5.18.3 contains a patch for this issue.

Affected products

• pi-hole: before 5.18.3 — fixed in 5.18.3

How to fix

Upgrade to a fixed version: pi-hole 5.18.3. Check the vendor advisory for mitigations.

References

• https://github.com/pi-hole/pi-hole/commit/2c497a9a3ea099079bbcd1eb21725b0ed54b529d
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-jg6g-rrj6-xfg6
• https://github.com/pi-hole/pi-hole/commit/2c497a9a3ea099079bbcd1eb21725b0ed54b529d
• https://github.com/pi-hole/pi-hole/security/advisories/GHSA-jg6g-rrj6-xfg6

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