Improper Authorization in FortiOS - CVE-2019-5591
Published: July 28, 2019 / Updated: February 20, 2022
Vulnerability identifier: #VU19505
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5591
CWE-ID: CWE-285
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to impersonate LDAP server.
The vulnerability exists due to FortiOS does not check LDAP server identity by default. A remote attacker with ability to perform MitM attack can impersonate LDAP server and gain unauthorized access to network resources.
Affected software
FortiOS
How to mitigate CVE-2019-5591
Install updates from vendor's website.
FortiOS - update to 6.2.1