CVE-2020-21487

CRITICAL

Netgate Pfsense - XSS

Title source: rule
STIX 2.1

Description

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 acme_certificates.php.

References (2)

Core 2

Scores

CVSS v3 9.6
EPSS 0.0255
EPSS Percentile 85.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (2)
netgate/pfsense 2.4.4
netgate/pfsense_acme_package 0.6.3
Published Apr 04, 2023
Tracked Since Feb 18, 2026