Critical9.8Netgate pfSense

pfSense: pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metac…

CVE-2022-31814 Published Sep 5, 2022Updated by vendor Jun 17, 2026

CVE-2022-31814

Affected products & platforms

Netgate pfSenseUnclassified

Summary

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.

Mitigation

Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source

Discussion(0)

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