Medium severity · published Jul 12, 2021
CVE-2020-19201
A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier
5.4
CVSS
3.5%
EPSS
No
On KEV
Description
A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier. The page did not encode output from the filter reload process, and a stored XSS was possible via the descr (description) parameter on NAT rules.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pfsense · Netgate
through 2.4.4; 2.4.4; 2.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-19201
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-19201
Product
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
Exploit
https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916
Vendor Advisory
https://www.pfsense.org/download/
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