Unprotected storage of credentials in Fortinet FortiClient for Windows - #VU100575
Published: November 18, 2024
Vulnerability identifier: #VU100575
CSH Severity: High
CVSS v4.0: 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
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Fortinet, Inc
Affected software:
Fortinet FortiClient for Windows
Fortinet FortiClient for Windows
Detailed vulnerability 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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.