CSRF in Netgate Pfsense
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…
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.545 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Netgate Pfsense — versions 2.4.4
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-16667?
- CVE-2019-16667 is a high-severity vulnerability in Netgate Pfsense, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-09-26.
- How severe is CVE-2019-16667?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-16667 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.