CVE-2020-15938

MEDIUM

FortiGate <6.2.5/<6.4.2 - Non-HTTP Traffic Bypasses Transparent Proxy Policy

Title source: manual

Description

When traffic other than HTTP/S (eg: SSH traffic, etc...) traverses the FortiGate in version below 6.2.5 and below 6.4.2 on port 80/443, it is not redirected to the transparent proxy policy for processing, as it doesn't have a valid HTTP header.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-20-172

Scores

CVSS v3 4.0

EPSS 0.0035

EPSS Percentile 57.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (1)

fortinet/fortios < 6.2.5

Published Mar 04, 2021

Tracked Since Feb 18, 2026