HIGH

CVE-2019-16667

CVSS v3

8.8

HIGH

EPSS Score

56.1%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.

Technical details

Published
9/26/2019

Frequently asked questions

What is CVE-2019-16667?

diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.

Is CVE-2019-16667 actively exploited?

Active exploitation of CVE-2019-16667 has not been confirmed. The EPSS score is 56.1%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-16667?

CVE-2019-16667 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-16667 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.