CVE-2021-40691

Publication date 29 September 2022

Last updated 26 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

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

Status

Show unmaintained releases

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	4.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

Other references

https://www.cve.org/CVERecord?id=CVE-2021-40691

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