SB2022030126 - Authentication bypass via password reset feature in FortiPortal
Published: March 1, 2022
Security Bulletin ID
SB2022030126
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2021-36171)
CWE-ID: CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CVSSv4: 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
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 update from vendor's website.