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Vulnerability record · public intelligence
CVE-2022-31814
CRITICAL
CVE-2022-31814
Published Sep 5, 2022 · Updated Nov 3, 2026
Severity · CVSSCRITICAL · Not scored
Known exploitationNot listed
EPSS / likelihood91.88%
QFinch risk scoreNot available
Original summary
Normalized public record · Updated Nov 3, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
FIRST-EPSSCVE-LIST-V5
- SSVC priority
- IMMEDIATE
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- docs.netgate.com ↗
- www.ihteam.net ↗
- packetstormsecurity.com ↗
- packetstormsecurity.com ↗
- Source repository ↗
- Source repository ↗
Record history
Published Sep 5, 2022 · Last refreshed Nov 3, 2026