CVE-2021-40691 : A session hijack risk was identified in the Shibboleth authentication plugin.

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

Published 2022-09-29 03:15:14

Updated 2022-10-03 13:40:20

Source Red Hat, Inc.

View at NVD, CVE.org

Products affected by CVE-2021-40691

Moodle » Moodle
Versions before (<) 3.9.10
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 3.11.0 and before (<) 3.11.3
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 3.10.0 and before (<) 3.10.7
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 28 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

https://bugzilla.redhat.com/show_bug.cgi?id=2043411

2043411 – (CVE-2021-40691) CVE-2021-40691 moodle: Session Hijack risk when Shibboleth authentication is enabled
Issue Tracking;Third Party Advisory

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