Vulnerability Details : CVE-2019-16667
Potential exploit
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.
Vulnerability category: Cross-site request forgery (CSRF)
Products affected by CVE-2019-16667
- cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16667
49.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16667
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2019-16667
-
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16667
-
https://pastebin.com/TEJdu9LN
pfsense CSRF POC (cve-2019-16667) - Pastebin.comExploit;Third Party Advisory
-
http://packetstormsecurity.com/files/158614/pfSense-2.4.4-p3-Cross-Site-Request-Forgery.html
pfSense 2.4.4-p3 Cross Site Request Forgery ≈ Packet Storm
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