CVE-2019-15705

HIGH

FortiOS < 6.0.6 - Unauthenticated Denial of Service via SSL VPN Portal POST Request

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-19-236

Scores

CVSS v3 7.5

EPSS 0.0058

EPSS Percentile 69.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (1)

fortinet/fortios < 6.0.6

Published Nov 27, 2019

Tracked Since Feb 18, 2026