SB2021111604 - Information disclosure in Fortinet FortiOS



SB2021111604 - Information disclosure in Fortinet FortiOS

Published: November 16, 2021

Security Bulletin ID SB2021111604
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper validation of certificate with host mismatch (CVE-ID: CVE-2021-41019)

CWE-ID: CWE-297 - Improper Validation of Certificate with Host Mismatch

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper certificate validation with host mismatch when connecting to an LDAP server under attacker's control via options in GUI. A remote attacker can obtain AD credentials.



Remediation

Install update from vendor's website.