#VU51110 Use of insufficiently random values in Joomla! - CVE-2021-23126
Published: March 2, 2021
Vulnerability identifier: #VU51110
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-23126
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Joomla!
Joomla!
Software vendor:
Joomla!
Joomla!
Description
The vulnerability allows a remote attacker to bypass 2FA.
The vulnerability exists due to usage of the insecure rand() function within the process of generating the 2FA secret. A remote attacker can guess 2FA token and bypass authentication process.
Remediation
Install updates from vendor's website.