Vulnerability identifier: #VU77176
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiOS
Operating systems & Components /
Operating system
Vendor: Fortinet, Inc
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can send a specially crafted HTTP request to the /proxy endpoint and crash the SSL-VPN daemon.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiOS: 7.0.0 - 7.0.11, 6.4.0 - 6.4.12, 7.2.0 - 7.2.4
External links
http://fortiguard.fortinet.com/psirt/FG-IR-23-125
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.