Vulnerability identifier: #VU48748

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9295

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
AV engine
Hardware solutions / Firmware
Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the affected software may not immediately detect certain types of malformed or non-standard RAR archives, potentially containing malicious files. An attacker can bypass implemented security restrictions and elevate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.4.0, 6.2.0

AV engine: 6.00137 - 6.00144

Fortinet FortiClient for Windows: 6.2.0, 6.4.0

---

External links
http://fortiguard.com/psirt/FG-IR-20-037

---

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.