{"id":"CVE-2022-31814","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-31814","generatedAt":"2026-11-05T00:02:54.675Z","title":"pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header.","description":"pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.","published":"2022-09-05T16:15:09.000Z","lastModified":"2026-06-17T04:46:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["netgate/pfblockerng"],"epss":{"score":0.91881,"percentile":0.99818,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2023-02-20","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":51032,"kind":"exploit","title":"pfBlockerNG 2.1.4_26 - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/51032","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/51032.py","file":"exploits/php/webapps/51032.py","published":"2023-02-20","added":"2023-02-20","updated":"2023-02-20","author":"IHTeam","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2022-31814"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 91.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html","source":"cve@mitre.org"},{"url":"https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/pfsense/FreeBSD-ports/pull/1169","source":"cve@mitre.org"},{"url":"https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e","source":"cve@mitre.org"},{"url":"https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/pfsense/FreeBSD-ports/pull/1169","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-31814","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}