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Vulnerability record · CVE-2019-16701 · published 25 September 2019

CVE-2019-16701: Netgate pfsense os command injection vulnerability

Netgate · Pfsense

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.

8.8 CVSS 3.1 High EPSS 20% · top 2.7% CWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 9.0
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-16915Netgate pfsense path traversal vulnerabilityAn issue was discovered in pfSense through 2.4.4-p3. widgets/widgets/picture.widget.php uses the widgetkey parameter directly without sanitization (e…EPSS 3.7%9.8CVE-2019-12585Apcupsd os command injection vulnerabilityApcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution issue in apcupsd_status.php.EPSS 5.0%9.6CVE-2020-21487Netgate pfsense cross-site scripting vulnerabilityCross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFol…EPSS 0.67%8.8CVE-2023-48123pfSense web GUI packet_capture.php remote code executionpfSense Plus 23.05.1 and earlier and pfSense CE 2.7.0 allow a remote attacker to execute arbitrary code through a crafted request to packet_capture.p…EPSS 68%analysed8.8CVE-2023-42326pfSense WebGUI GIF/GRE Interface Command InjectionNetgate pfSense 2.7.0 contains a command injection flaw in the interfaces_gif_edit.php and interfaces_gre_edit.php WebGUI components. A remote attack…EPSS 64%analysed8.8CVE-2023-27253pfSense restore_rrddata() command injection via crafted XML configNetgate pfSense 2.7.0 contains a command injection flaw in the restore_rrddata() function. An authenticated attacker can supply a crafted XML file to…EPSS 90%analysed8.8CVE-2022-24299Netgate pfsense improper input validation vulnerabilityImproper input validation vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software version…EPSS 1.9%8.8CVE-2022-26019Netgate pfsense path traversal vulnerabilityImproper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions …EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2019-16701), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.