9.8

CVE-2022-31814: netgate pfblockerng OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 05-09-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-31814 is a critical (CVSS 9.8) OS Command Injection vulnerability in netgate pfblockerng. EPSS estimates a 91.88% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
91.88%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4reference, exploit-database, metasploit

Timeline

  1. 05-09-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

91.88%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 91.88% on 21-09-2026

21-09-202621-10-2026
EPSS score
91.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (ihteam.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasephpUnverified

    pfBlockerNG 2.1.4_26 - Remote Code Execution (RCE)

    Maturity: poc

Show all 4 exploits
  • MetasploitMetasploitremoteVerified

    pfSense plugin pfBlockerNG unauthenticated RCE as root

    exploit/unix/http/pfsense_pfblockerng_webshell

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Netgate1 product

1 vendor · 1 product

References

6 links