CVE-2020-21487

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.6 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8 Patch
https://redmine.pfsense.org/issues/9888 Issue Tracking Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense_acme_package:0.6.3:*:*:*:*:*:*:*
History

10 Apr 2023, 18:09

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.6
References (MISC) https://redmine.pfsense.org/issues/9888 - (MISC) https://redmine.pfsense.org/issues/9888 - Issue Tracking, Patch
References (MISC) https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8 - (MISC) https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8 - Patch
CPE cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense_acme_package:0.6.3:*:*:*:*:*:*:*
First Time Netgate
Netgate pfsense
Netgate pfsense Acme Package
CWE CWE-79

04 Apr 2023, 17:40

Type Values Removed Values Added
New CVE
Information

Published : 2023-04-04 15:15

Updated : 2023-12-10 15:01

NVD link : CVE-2020-21487

Mitre link : CVE-2020-21487

CVE.ORG link : CVE-2020-21487

JSON object : View

Products Affected

netgate

  • pfsense
  • pfsense_acme_package
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')