Medium severity · published Jul 12, 2021
CVE-2020-19203
An authenticated Cross-Site Scripting (XSS) vulnerability was found in widgets/widgets/wake_on_lan_widget.php, a component of the pfSense software WebGUI, on version 2.4.4-p2 and…
5.4
CVSS
1%
EPSS
No
On KEV
Description
An authenticated Cross-Site Scripting (XSS) vulnerability was found in widgets/widgets/wake_on_lan_widget.php, a component of the pfSense software WebGUI, on version 2.4.4-p2 and earlier. The widget did not encode the descr (description) parameter of wake-on-LAN entries in its output, leading to a possible stored XSS.
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)1.0% · higher than 64% 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 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-19203
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-19203
Vendor Advisory
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
Third Party Advisory
https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db
Vendor Advisory
https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc
Product
https://www.pfsense.org/download/
More from Pfsense
9.8
CVE-2019-16915
An issue was discovered in pfSense through 2.4.4-p3
9.8
CVE-2019-12585
Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution issue in apcupsd_status.php
9.6
CVE-2020-21487
Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of…
8.8
CVE-2023-48123
An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php…
8.8
CVE-2023-42326
An issue in Netgate pfSense v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the interfaces_gif_edit.php and interfaces_gre_edit.php components