Use-after-free in FortiManager and FortiAnalyzer - CVE-2021-32589
Published: July 19, 2021
Vulnerability identifier: #VU54975
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-32589
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiManager
FortiAnalyzer
FortiManager
FortiAnalyzer
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the fgfmsd daemon. A remote non-authenticated attacker can send a specially crafted request to port 541/tcp (IPv4) or 542/tcp (IPv6), trigger a use-after-free error and execute arbitrary code on the system with root privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2021-32589
Install updates from vendor's website.