Use of insufficiently random values in Joomla! - CVE-2021-23128

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Main Vulnerability Database Vulnerabilities #VU51112

Use of insufficiently random values in Joomla! - CVE-2021-23128

Published: March 2, 2021


Vulnerability identifier: #VU51112
CSH Severity: Low
CVSSv4.0: 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
Vulnerable software:
Joomla!
Software vendor:
Joomla!

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.


Remediation

Install updates from vendor's website.

External links