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Servers and applications

CVE-2019-15705

An Improper Input Validation vulnerability in the SSL VPN portal of FortiOS versions 6.2.1 and below, and 6.0.6 and below may allow an unauthenticated remote attacker to crash the SSL VPN service by sending a crafted POST request.

Severity
High 7.5
Published
27 Nov 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.8% in the next 30 daysHigher than 78% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Every version up to 6.0.6
  • From 6.2.0 up to 6.2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-15705
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-15705