Home/CVE/pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full n
CVE

CVE-2020-11457

pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full n

pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full name) of a user.

MEDIUM · CVSS 5.4 EPSS 0.05947
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
netgate pfsense< 2.4.5
⚠

Public Exploits & PoCs

3
webappspfSense 2.4.4-P3 - 'User Manager' Persistent Cross-Site Scripting2020-04-06
pocpacketstormsecurity.com · pfSense-2.4.4-P3-User-Manager-Cross-Site-Scripting.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 48300www.exploit-db.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/pfsense/pfsense/commit/3c1e53dabe966f27c9097a5a923e77f49ae5fffaPatchThird Party Advisory
https://www.netgate.com/assets/downloads/advisories/pfSense-SA-20_06.webgui.ascPatchVendor Advisory
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