CVE-2021-40693

Publication date 29 September 2022

Last updated 26 August 2025


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling vulnerability.

Status

Package Ubuntu Release Status
moodle 18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N