Medium severity · published Sep 26, 2019
CVE-2019-16914
An XSS issue was discovered in pfSense through 2.4.4-p3
6.1
CVSS
2%
EPSS
No
On KEV
Description
An XSS issue was discovered in pfSense through 2.4.4-p3. In services_captiveportal_mac.php, the username and delmac parameters are displayed without sanitization.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pfsense · Netgate
before 2.4.4; 2.4.4; 2.4.4; 2.4.4; 2.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16914
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16914
Patch
https://github.com/pfsense/pfsense/commit/d31362b69d5d52dc196dc72f66e830cd1e6e9a4f
Permissions Required
https://redmine.pfsense.org/issues/9609
Third Party Advisory
https://www.seebug.org/vuldb/ssvid-98023
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