Vulnerability identifier: #VU22808

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15711

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can execute arbitrary OS commands through IPC socket by export logs on the system with running FortiClient for Linux.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 6.0.0 - 6.0.8, 6.2.0 - 6.2.1, 5.6.0 - 5.6.6, 5.4.0 - 5.4.5, 5.2.0 - 5.2.8, 5.0.1 - 5.0.11, 4.3.0 - 4.3.3.445, 4.2.0, 4.1.0, 4.0.0 - 4.0.2, 1.2.0 - 1.2.5, 1.0.0 - 1.0.5

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External links
http://fortiguard.com/psirt/FG-IR-19-238

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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