Skip to main content

Improper Access Control

CVE-2023-21860

Severity Medium
Score 6.3/10

Summary

A vulnerability has been identified in the MySQL Cluster product of Oracle MySQL (component: Cluster: Internal Operations). This vulnerability is difficult to exploit and requires highly privileged attackers with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in a takeover of MySQL Cluster. The vulnerability affects mysql-server versions prior to 7.4.39, 7.5.x prior to 7.5.29, 7.6.x prior to 7.6.25, and 8.0.x prior to 8.0.32.

  • HIGH
  • ADJACENT_NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • HIGH
  • HIGH
  • HIGH

CWE-284 - Improper Access Control

Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.

Advisory Timeline

  • Published