SB2021082405 - Improper access control in Joomla!
Published: August 24, 2021
Security Bulletin ID
SB2021082405
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-26040)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the "com_media" deletion endpoint. A remote attacker can bypass implemented security restrictions and delete arbitrary files on the system.
Remediation
Install update from vendor's website.