CVE-2021-40691

Publication date 29 September 2022

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

A session hijack risk was identified in the Shibboleth authentication plugin.

Show unmaintained releases

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

CVSS version: CVSS v3.0

Base score 4.3 · Medium

Base metrics

Scores

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N