CVE-2021-36539

Medium

Description

Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

SeverityMedium
CVSS6.5
Exploit probability—
ProductInstructure Canvas Learning Management Service
PublishedJan 26, 2023
First seenJan 26, 2023

How to fix

Update
  • instructure canvas_learning_management_service2022-10-15 or later

Affected products

ProductAffected versionsFixed in
instructure canvas_learning_management_servicev < 2022-10-152022-10-15

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