CVE-2021-41019

LOW

FortiOS < 6.4.6 - Improper Certificate Validation via LDAP Server Connection

Title source: llm

Description

An improper validation of certificate with host mismatch [CWE-297] vulnerability in FortiOS versions 6.4.6 and below may allow the connection to a malicious LDAP server via options in GUI, leading to disclosure of sensitive information, such as AD credentials.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-21-074

Scores

CVSS v3 3.5

EPSS 0.0024

EPSS Percentile 47.3%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-295

Status published

Products (1)

fortinet/fortios 6.4.0 - 6.4.6

Published Nov 02, 2021

Tracked Since Feb 18, 2026