#VU81958 Client-Side Enforcement of Server-Side Security in FortiManager and FortiAnalyzer - CVE-2023-42787

Vulnerability identifier: #VU81958

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-42787

CWE-ID: CWE-602

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiAnalyzer
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to a client-side enforcement of server-side security issue. A remote user can access a privileged web console via client side code execution.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiManager: 6.2.0 - 6.2.12, 6.4.0 - 6.4.13, 7.0.0 - 7.0.9, 7.2.0 - 7.2.3, 7.4.0

FortiAnalyzer: 6.2.0 - 6.2.12, 6.4.0 - 6.4.13, 7.0.0 - 7.0.9, 7.2.0 - 7.2.3, 7.4.0

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External links
https://fortiguard.com/psirt/FG-IR-23-187

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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.