Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in FortiPortal - CVE-2021-36171
Published: March 1, 2022
Vulnerability identifier: #VU60934
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-36171
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FortiPortal
FortiPortal
Software vendor:
Fortinet, Inc
Fortinet, Inc
Description
The vulnerability allows a remote attacker to gain unauthorized access to the system.
the vulnerability exists due to weak pseudo-random number generator in the password reset feature. A remote attacker can predict parts of or the whole newly generated password within a given time frame and gain access to the system.
Remediation
Install updates from vendor's website.