Unprotected storage of credentials in FortiClient for Windows



Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-256
Exploitation vector Local
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
 Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Unprotected storage of credentials

EUVDB-ID: #VU100575

Risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-256 - Unprotected Storage of Credentials

Exploit availability: No

Description

The vulnerability allows a local user to gain access to VPN client credentials.

The vulnerability exists due to application stores user's VPN credentials in plain text in memory after establishing the VPN connection. A local user or a malicious application can retrieve these credentials from the process memory and use them later to connect to the Fortinet VPN server.

Note, the vulnerability is being actively exploited in the wild by the DEEPDATA malware.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Fortinet FortiClient for Windows: 0 - 7.4.1

CPE2.3 External links

https://www.volexity.com/blog/2024/11/15/brazenbamboo-weaponizes-forticlient-vulnerability-to-steal-vpn-credentials-via-deepdata/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



###SIDEBAR###