CVE-2020-19201

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se ha encontrado una vulnerabilidad de Cross-Site Scripting (XSS) almacenada en status_filter_reload.php, una página de la WebGUI del software pfSense, en la versión 2.4.4-p2 de Netgate pfSense y anteriores. La página no codificaba la salida del proceso de recarga del filtro, y era posible un XSS almacenado a través del parámetro descr (descripción) en las reglas NAT

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2021-07-12 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html	2021-09-14
https://www.pfsense.org/download	2021-09-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netgate Search vendor "Netgate"		Pfsense Search vendor "Netgate" for product "Pfsense"				<= 2.4.4 Search vendor "Netgate" for product "Pfsense" and version " <= 2.4.4"		-		Affected
Netgate Search vendor "Netgate"		Pfsense Search vendor "Netgate" for product "Pfsense"				2.4.4 Search vendor "Netgate" for product "Pfsense" and version "2.4.4"		p1		Affected
Netgate Search vendor "Netgate"		Pfsense Search vendor "Netgate" for product "Pfsense"				2.4.4 Search vendor "Netgate" for product "Pfsense" and version "2.4.4"		p2		Affected