Vulnerability identifier: #VU84529

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46713

CWE-ID: CWE-117

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fortinet FortiWeb
Server applications / Remote management servers, RDP, SSH

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to alter log files.

The vulnerability exists due to improper input validation in FortiWeb Traffic Log component. A remote attacker can send specially crafted HTTP request and add arbitrary records into the log files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiWeb: 7.4.0, 7.2.0 - 7.2.5, 7.0.0 - 7.0.10, 6.3.0 - 6.3.23, 6.2.0 - 6.2.8

---

External links
http://fortiguard.com/psirt/FG-IR-23-256

---

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.