CVE-2019-18667

Pfsense Pkg Freeradius3 vulnerability

CVSS

6.1

EPSS

4.0%

EPSS pct

89th

Exploited

No known

/usr/local/www/freeradius_view_config.php in the freeradius3 package before 0.15.7_3 for pfSense on FreeBSD allows a user with an XSS payload as password or username to execute arbitrary javascript code on a victim browser.

Affected vendor

Pfsense

Affected product

Pfsense Pkg Freeradius3

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2019-11-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2019-18667

Confirm whether Pfsense Pfsense Pkg Freeradius3 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-18667.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-18667

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-18667 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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