Use of insufficiently random values in Joomla! - CVE-2021-23128
Published: March 2, 2021
Vulnerability identifier: #VU51112
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-23128
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to Joomla! core contains randval implementation within FOF (FOFEncryptRandval), used an potential insecure implemetation. A remote attacker can bypass certain security restrictions, that rely on randomization.
How to mitigate CVE-2021-23128
Install updates from vendor's website.