RCE in Netgate Pfblockerng
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.872 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Netgate Pfblockerng
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes, Vendor Advisory)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
Frequently asked questions
- What is CVE-2022-31814?
- CVE-2022-31814 is a critical-severity vulnerability in Netgate Pfblockerng, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-09-05.
- How severe is CVE-2022-31814?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-31814 known to be exploited?
- 29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.