CVE-2022-40624

9.8 criticalEPSS 18%

Critical (9.8) in pfsense pfblockerng. EPSS 18% chance of exploitation in the next 30 days.

pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host header, a different vulnerability than CVE-2022-31814.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2022-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pfsense:pfblockerng

References

https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
https://github.com/dhammon/pfBlockerNg-CVE-2022-40624
https://github.com/dhammon/pfBlockerNg-RCE
https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
https://github.com/dhammon/pfBlockerNg-CVE-2022-40624

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