Path traversal in Fortinet FortiClientEMS

1) Path traversal

EUVDB-ID: #VU57074

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15941

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the name parameter. A remote authenticated attacker can send a specially crafted HTTP request and add or delete the files of the server.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FortiClientEMS: 6.2.0 - 6.4.1

External links

http://www.fortiguard.com/psirt/FG-IR-20-074

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.