PT-2021-10308 · Pfsense · Pfsense

Edward Torkington + 3 · Published 2021-07-12 · Updated 2022-05-13 · CVE-2020-19203

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: pfSense versions 2.4.4-p2 and earlier

Description: An authenticated Cross-Site Scripting issue was found in the pfSense software WebGUI. The descr (description) parameter of wake-on-LAN entries in the widgets/widgets/wake on lan widget.php component was not properly encoded, leading to a possible stored XSS.

Recommendations: For versions 2.4.4-p2 and earlier, update to a version that contains a fix for this issue to prevent potential exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-19203

Affected Products

Pfsense

References · 6

• https://netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc · Vendor Advisory
• https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19203 · Security Note
• https://osv.dev/vulnerability/CVE-2020-19203 · Vendor Advisory
• https://pfsense.org/download · Vendor Advisory
• https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db · Note