SB2021042007 - Improper access control in Grav Admin Plugin



SB2021042007 - Improper access control in Grav Admin Plugin

Published: April 20, 2021 Updated: November 15, 2024

Security Bulletin ID SB2021042007
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2021-21425)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can execute some methods of administrator controller without needing any credentials, leading to arbitrary YAML file creation or content change of existing YAML files on the system.


Remediation

Install update from vendor's website.