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Vulnerability record · CVE-2022-26019 · published 31 March 2022

CVE-2022-26019: Netgate pfsense path traversal vulnerability

Netgate · Pfsense

Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.

8.8 CVSS 3.1 High EPSS 4.5% · top 8.8% CWE-22 · Path traversal
8.8CVSS 3.1 base score, v2 8.5
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.

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

Affected products

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

References

LinkTags
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc MitigationPatchVendor Advisory
https://jvn.jp/en/jp/JVN87751554/index.html PatchThird Party Advisory
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc MitigationPatchVendor Advisory
https://jvn.jp/en/jp/JVN87751554/index.html PatchThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-27100Netgate pfsense plus improper restriction of authentication attempts vulnerabilityImproper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software…EPSS 9.8%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-2024-54780Netgate pfsense ce code injection vulnerabilityNetgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds are vulnerable to command injection in the OpenVPN widget due to impro…EPSS 12%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%analysed

Source: NIST National Vulnerability Database (record CVE-2022-26019), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.