CVE-2020-19203
pfSense Stored XSS in Wake-On-LAN Widget
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.
INFO
Published Date :
July 12, 2021, 4:15 p.m.
Last Modified :
May 13, 2022, 5:36 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-19203.
| URL | Resource |
|---|---|
| https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html | Vendor Advisory |
| https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db | Third Party Advisory |
| https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc | Vendor Advisory |
| https://www.pfsense.org/download/ | Product Release Notes Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-19203 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-19203 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
May. 13, 2022
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db No Types Assigned https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db Third Party Advisory Changed Reference Type https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc No Types Assigned https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:pfsense:pfsense:2.4.4:p2:*:*:community:*:arm64:* OR *cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.4 *cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:* *cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:* *cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed Description Netgate pfSense Community Edition 2.4.4 - p2 (arm64) is affected by: Cross Site Scripting (XSS). The impact is: Session Hijacking, Information Leakage (local). The component is: pfSense Dashboard, Work-on-LAN Service configuration. The attack vector is: Inject the malicious JavaScript code in Description text box or parameter. 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. Added Reference https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2021
Action Type Old Value New Value Added Reference https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 14, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html No Types Assigned https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html Vendor Advisory Changed Reference Type https://www.pfsense.org/download/ No Types Assigned https://www.pfsense.org/download/ Product, Release Notes, Vendor Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:pfsense:pfsense:2.4.4:p2:*:*:community:*:arm64:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-19203 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-19203
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} -0.02%
score
0.39992
percentile