CVE-2022-31814

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.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

91.88% chance of exploitation in the next 30 days, 100th percentile

Nuclei

critical · CWE-78

Published

2022-09-05

Updated

2024-08-03

Proof-of-concept exploits (8)

• http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html
• https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
• ArunHAtter/CVE-2022-318140★ · 2024-08-12
• Chocapikk/CVE-2022-318143★ · 2023-03-26
• Laburity/CVE-2022-3181423★ · 2024-07-23
• TheUnknownSoul/CVE-2022-318141★ · 2023-03-03
• dkstar11q/CVE-2022-318141★ · 2023-03-26
• sh4den/CVE-2022-318141★ · 2026-07-06

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-31814.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/unix/http/pfsense_pfblockerng_we…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/51032

Security advisories

• https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
• https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability

References

• CVE Record
• NVD entry

Related

• CVE-2023-23397
• CVE-2024-7808
• CVE-2022-39952
• CVE-2022-40684
• CVE-2022-44877
• CVE-2024-26229