CVE-2019-16667

HIGH 8.8EPSS 54.5%

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.

CVSS v3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0: 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS: 54.54% chance of exploitation in the next 30 days, 99th percentile
Published: 2019-09-26
Updated: 2024-08-05

Proof-of-concept exploits (1)

https://pastebin.com/TEJdu9LN

ExploitDB entries (1)

https://www.exploit-db.com/exploits/48714

References

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