Vulnerability identifier: #VU30135
Vulnerability risk: Medium
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiOS
Operating systems & Components /
Operating system
Vendor: Fortinet, Inc
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in SSL VPN. A remote authenticated attacker can changed the case of their username and gain unauthorized access to the application without being prompted for the second factor of authentication (FortiToken).
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiOS: 6.4.0, 6.2.0 - 6.2.3, 6.0.0 - 6.0.9
External links
http://fortiguard.com/psirt/FG-IR-19-283
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?
Yes. This vulnerability is being exploited in the wild.