Is CVE-2020-21219 actively exploited?

CVE-2020-21219 has no public evidence of in-the-wild exploitation as of 2025-04-25.

What is the CVSS score for CVE-2020-21219?

CVE-2020-21219 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2020-21219?

Patch guidance is available from netgate security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-21219.

Which products are affected by CVE-2020-21219?

2 products: netgate acme, netgate pfsense.

CVE-2020-21219 - remediation guidance & executive summary

Description

Cross Site Scripting (XSS) vulnerability in Netgate pf Sense 2.4.4-Release-p3 and Netgate ACME package 0.6.3 allows remote attackers to to run arbitrary code via the RootFolder field to acme_certificate_edit.php page of the ACME package.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: NETGATE
Published: 12/15/2022
Last Modified: 4/25/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-21219

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary