Vulnerability identifier: #VU58174

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41019

CWE-ID: CWE-297

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system

Vendor: Fortinet, Inc

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.0.0 - 7.0.1, 6.4.0 - 6.4.6, 6.2.0 - 6.2.9

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External links
http://fortiguard.com/advisory/FG-IR-21-074

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.