Improper access control in Fortinet FortiManager



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-26107
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU58180

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-26107

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote authenticated attacker can modify the VPN tunnel status of other VDOMs using VPN Manager.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiManager: 6.4.4 - 6.4.5

CPE2.3 External links

https://fortiguard.com/advisory/FG-IR-21-043
https://www.fortiguard.com/psirt?date=11-2021&risk=3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application 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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