Improper validation of certificate with host mismatch in FortiOS - CVE-2021-41019

 

Improper validation of certificate with host mismatch in FortiOS - CVE-2021-41019

Published: November 16, 2021


Vulnerability identifier: #VU58174
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2021-41019
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS

Detailed vulnerability description

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.



How to mitigate CVE-2021-41019

Install updates from vendor's website.

Sources