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Servers and applications

CVE-2017-1000479

pfSense versions 2.4.1 and lower are vulnerable to clickjacking attacks in the CSRF error page resulting in privileged execution of arbitrary code, because the error detection occurs before an X-Frame-Options header is set. This is fixed in 2.4.2-RELEASE. OPNsense, a 2015 fork of pfSense, was not vulnerable since version 16.1.16 released on June 06, 2016. The unprotected web form was removed…

Severity
High 8.8
Published
3 Jan 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
32% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
pfSenseServers and applications · cpe:a:netgate:pfsense
  • Every version up to 2.4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-1000479
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-1000479