{"id":"CVE-2020-12620","aliases":["EUVD-2020-4921","GHSA-6m9c-h626-jp3r"],"status":"published","title":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges...","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01502,"percentile":0.74518,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-78"],"published":"2020-07-30T13:03:37Z","modified":"2026-10-24T10:49:56Z","products":[{"vendor":"pi-hole","product":"pi-hole"}],"references":[{"url":"https://github.com/pi-hole/pi-hole","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://pi-hole.net/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://0xpanic.github.io/2020/07/21/Pihole.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12620"},{"url":"https://github.com/advisories/GHSA-6m9c-h626-jp3r"}],"sources":{"cve":[{"id":"CVE-2020-12620","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","status":"published","published":"2020-07-30T13:03:37Z","modified":"2024-08-04T12:04:21.742Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4921","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","status":"published","published":"2020-07-30T13:03:37Z","modified":"2024-08-04T12:04:21Z","updated_at":"2026-11-03T03:07:39.896975Z"}],"ghsa":[{"id":"GHSA-6m9c-h626-jp3r","title":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges...","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","status":"published","published":"2022-05-24T17:24:42Z","modified":"2023-01-29T05:03:37Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:21.37961Z"}],"nvd":[{"id":"CVE-2020-12620","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","status":"published","published":"2020-07-30T14:15:12.043Z","modified":"2026-06-17T02:52:01.897Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-12620","description":"Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection (shell metacharacters after an IP address).","status":"published","published":"2020-07-30T14:15:12.043Z","modified":"2026-10-24T10:49:56.425799712Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.034736Z"}]}}