Input validation error in Joomla! - CVE-2021-26036
Published: July 6, 2021
Vulnerability identifier: #VU54576
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-26036
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can pass specially crafted input to the application and damage usergroups table, leading to a denial of service condition.
How to mitigate CVE-2021-26036
Install updates from vendor's website.