{"api_version":"1","generated_at":"2026-07-23T19:45:53+00:00","cve":"CVE-2020-12620","urls":{"html":"https://cve.report/CVE-2020-12620","api":"https://cve.report/api/cve/CVE-2020-12620.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-12620","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-12620"},"summary":{"title":"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).","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-07-30 14:15:00","updated_at":"2021-07-21 11:39:00"},"problem_types":["CWE-78"],"metrics":[],"references":[{"url":"https://pi-hole.net/","name":"https://pi-hole.net/","refsource":"MISC","tags":["Vendor Advisory"],"title":"Pi-Hole: Standalone Raspberry Pi Ad-blocker | A Black Hole For Internet Advertisements","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/pi-hole/pi-hole","name":"https://github.com/pi-hole/pi-hole","refsource":"MISC","tags":["Third Party Advisory"],"title":"GitHub - pi-hole/pi-hole: A black hole for Internet advertisements (designed for Raspberry Pi)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://0xpanic.github.io/2020/07/21/Pihole.html","name":"https://0xpanic.github.io/2020/07/21/Pihole.html","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"Vulnerabilities regarding Pihole’s setdns command | panic","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12620","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12620","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"12620","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"pi-hole","cpe5":"pi-hole","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12620","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"pi-hole","cpe5":"pi-hole","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-12620","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/pi-hole/pi-hole","refsource":"MISC","name":"https://github.com/pi-hole/pi-hole"},{"url":"https://pi-hole.net/","refsource":"MISC","name":"https://pi-hole.net/"},{"refsource":"MISC","name":"https://0xpanic.github.io/2020/07/21/Pihole.html","url":"https://0xpanic.github.io/2020/07/21/Pihole.html"}]}},"nvd":{"publishedDate":"2020-07-30 14:15:00","lastModifiedDate":"2021-07-21 11:39:00","problem_types":["CWE-78"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.2},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:*","versionEndExcluding":"5.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"12620","Ordinal":"173785","Title":"CVE-2020-12620","CVE":"CVE-2020-12620","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"12620","Ordinal":"1","NoteData":"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).","Type":"Description","Title":null},{"CveYear":"2020","CveId":"12620","Ordinal":"2","NoteData":"2020-07-30","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"12620","Ordinal":"3","NoteData":"2020-07-30","Type":"Other","Title":"Modified"}]}}}