Information disclosure in FortiOS

1) Information disclosure

EUVDB-ID: #VU88235

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-23662

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output via the Web server ETag. A remote attacker can fingerprint the device version via HTTP requests.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.4.0 - 7.4.1

CPE2.3

• cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*

External links

https://www.fortiguard.com/psirt/FG-IR-23-224

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.