8.8

CVE-2019-16667: netgate pfsense Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
Published 26-09-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-16667 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in netgate pfsense. EPSS estimates a 54.54% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
56/100
0100
High · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
54.54%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 26-09-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

54.54%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 54.54% on 20-09-2026

20-09-202620-10-2026
EPSS score
54.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (pastebin.com)

    Maturity: unknown

  • exploit-databasephpUnverified

    pfSense 2.4.4-p3 - Cross-Site Request Forgery

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Netgate1 product

1 vendor · 1 product

References

2 links