CVE-2020-21487 is a critical Cross-Site Scripting (XSS) vulnerability affecting Netgate pfSense version 2.4.4 and the ACME package version 0.6.3, allowing attackers to execute arbitrary code through the RootFolder field in acme_certificates.php. With a CVSS score of 9.6, this vulnerability is easily exploitable over the network with low complexity, requiring user interaction but leading to high impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.4.4CPE matchmatch criteria | cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:* | ||
0.6.3CPE matchmatch criteria | cpe:2.3:a:netgate:pfsense_acme_package:0.6.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.