Hardcoded session secret in FortiSwitch



Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-37936
CWE-ID CWE-321
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FortiSwitch
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Use of Hard-coded Cryptographic Key

EUVDB-ID: #VU107318

Risk: Critical

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red]

CVE-ID: CVE-2023-37936

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to use of a hard-coded session secret. A remote non-authenticated attacker in possession of the session secret can execute unauthorized code via crafted cryptographic requests.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiSwitch: 6.0.0 - 7.4.0

CPE2.3 External links

https://fortiguard.com/psirt/FG-IR-23-260


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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