CVE-2019-16701

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-09-25 · updated 2026-06-17
Weakness: CWE-78

Description

pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_php call containing shell metacharacters in a parameter value.

Affected products

Netgate pfSense: from 2.3.4 before 2.4.4; 2.4.4, 2.4.4-p1, 2.4.4-p2, 2.4.4-p3 — fixed in 2.4.4

How to fix

Upgrade to a fixed version: Netgate pfSense 2.4.4. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html
https://github.com/pfsense/pfsense/commits/master
https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more
http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html
https://github.com/pfsense/pfsense/commits/master
https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more

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