CVEvulnerability
CVE-2022-31814
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-09-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
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.
Affected configurations
• netgate pfblockerng (<= 2.1.4 26)
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html packetstormsecurity.com
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html Release Notes, Vendor Advisory
- https://github.com/pfsense/FreeBSD-ports/pull/1169 github.com
- https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e github.com
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/ Exploit, Technical Description, Third Party Advisory
- http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html packetstormsecurity.com
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html Release Notes, Vendor Advisory
- https://github.com/pfsense/FreeBSD-ports/pull/1169 github.com
- https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e github.com
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/ Exploit, Technical Description, Third Party Advisory