Skip to main content

Early Access — Mondoo Vulnerability Intelligence is currently in preview.

Mondoo Vulnerability Intelligence

Curated by Mondoo Research, enhanced with AI

Resources

Search Vulnerabilities
Trending CVEs
Browse Ecosystems
Terminology
Blog

Open Source

cnquery
cnspec

Star us on GitHub!

Company

Mondoo Platform
About
Contact

© 2026 Mondoo, Inc.

Privacy Policy Terms of Service Imprint

Vulnerability Intelligence

CVE-2021-36539

MEDIUM6.5

Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url)

Published Jan 26, 2023

Modified 1 years ago

No fix available

Details

Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

References

WEBhttps://github.com/gaukas/instructure-canvas-file-oracle WEBhttps://github.com/instructure/canvas-lms/issues/1905 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-36539

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

6.5/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Ecosystems

Timeline

PublishedJan 26, 2023

ModifiedAug 4, 2024

CVE-2021-36539 | Mondoo Vulnerability Intelligence