CVE-2022-26019: netgate pfsense Path Traversal

Vulnerability summary

CVE-2022-26019 is a high (CVSS 8.8) Path Traversal vulnerability in netgate pfsense. EPSS estimates a 4.50% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.

Timeline

1. 31-03-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.