CVE-2022-40624
9.8
CRITICAL · CVSS 3.1 · EPSS 17.3% (pctl 97)
Patch early
EPSS 17.3% — above the 10% action threshold.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 17.28% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-12-20 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| 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
- https://github.com/dhammon/pfBlockerNg-RCE
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