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    CVE-2020-21487

    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.

    Published:Apr 4, 2023
    Last Modified:Feb 13, 2025
    EPS:Apr 4, 2023
    EPSS Score:0.00528
    CVSS Score:9.6

    Affected Products

    Vendor
    Netgate
    Product
    Pfsense
    Vendor
    Netgate
    Product
    Pfsense Acme Package

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-78849 — Cross Site Scripting vulnerability in Netgate pfSense Plus software versions <= 26.03 pfSense CE software vers…
    CVE-2025-12490 (CVSS 8.8) — Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remo…
    CVE-2025-53392 (CVSS 5) — In Netgate pfSense CE 2.8.0, the "WebCfg - Diagnostics: Command" privilege allows reading arbitrary files via …
    CVE-2024-46538 (CVSS 4.8) — A cross-site scripting (XSS) vulnerability in pfsense v2.5.2 allows attackers to execute arbitrary web scripts…
    CVE-2023-48123 (CVSS 8.8) — An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execu…
    CVE-2023-42325 (CVSS 5.4) — Cross Site Scripting (XSS) vulnerability in Netgate pfSense v.2.7.0 allows a remote attacker to gain privilege…
    CVE-2023-42327 (CVSS 5.4) — Cross Site Scripting (XSS) vulnerability in Netgate pfSense v.2.7.0 allows a remote attacker to gain privilege…
    CVE-2023-42326 (CVSS 8.8) — An issue in Netgate pfSense v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request t…
    CVE-2023-27253 (CVSS 8.8) — A command injection vulnerability in the function restore_rrddata() of Netgate pfSense v2.7.0 allows authentic…
    CVE-2022-29273 (CVSS 6.1) — pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL paramet…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High