Input validation error in FortiOS - CVE-2019-15705
Published: November 28, 2019
Vulnerability identifier: #VU23072
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-15705
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS
FortiOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the SSL VPN portal. A remote attacker can send a specially crafted POST request and crash the SSL VPN service.
How to mitigate CVE-2019-15705
Install updates from vendor's website.