Improper validation of certificate with host mismatch in FortiOS - CVE-2021-41019
Published: November 16, 2021
Vulnerability identifier: #VU58174
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-41019
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper certificate validation with host mismatch when connecting to an LDAP server under attacker's control via options in GUI. A remote attacker can obtain AD credentials.
Affected software
FortiOS
How to mitigate CVE-2021-41019
Install updates from vendor's website.
FortiOS - addressed in versions 6.2.10, 6.4.7, 7.0.2