CVE-2019-12949 — Cross-site Scripting in Pfsense
Severity
6.1MEDIUMNVD
EPSS
12.4%
top 6.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 25
Latest updateMay 24
Description
In pfSense 2.4.4-p2 and 2.4.4-p3, if it is possible to trick an authenticated administrator into clicking on a button on a phishing page, an attacker can leverage XSS to upload arbitrary executable code, via diag_command.php and rrd_fetch_json.php (timePeriod parameter), to a server. Then, the remote attacker can run any command with root privileges on that server.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7