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CVE-2020-21487

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Date: April 3, 2023

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.

Language: PHP

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2020-21487
https://redmine.pfsense.org/issues/9888
https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8
https://www.mend.io/vulnerability-database/CVE-2020-21487

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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