An attacker can use a Blind SQL injection to retrieve data or stop the MySQL service.
The problem is fixed in 4.2.1
{ "nvd_published_at": "2020-12-03T21:15:00Z", "github_reviewed_at": "2021-01-20T21:33:26Z", "severity": "LOW", "github_reviewed": true, "cwe_ids": [ "CWE-89" ] }