CVE-2019-16667

PoC —

CVSS 3.1

8.8 high

EPSS

55%p99

Published

Sep 26, 2019 (Sep 26, 2019)

Modified

Jun 17, 2026

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.

Vendors: netgate
Products: pfsense
Weakness: CWE-352
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (54.5%)

In the news0 stories

No ingested article mentions this CVE yet.