5.4

CVE-2020-19201: netgate pfsense Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 12-07-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-19201 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in netgate pfsense. EPSS estimates a 3.45% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
3.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 12-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier. The page did not encode output from the filter reload process, and a stored XSS was possible via the descr (description) parameter on NAT rules.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.45%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.45% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Fd3779006361D07651A883E8A040D916

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Netgate1 product
  • pfsense≤ 2.4.4 | 2.4.4:p1 | 2.4.4:p2

1 vendor · 1 product

References

3 links