CVE-2020-15936

LOW

FortiOS < 5.6.13 - Sensitive Information Disclosure via SNI Client Hello TLS Packets

Title source: llm

Description

A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-20-091

Scores

CVSS v3 2.6

EPSS 0.0034

EPSS Percentile 56.5%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (1)

fortinet/fortios 5.6.0 - 5.6.13

Published Mar 01, 2022

Tracked Since Feb 18, 2026