CVE-2021-36539

Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).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
Link Resource
https://github.com/gaukas/instructure-canvas-file-oracle Exploit Third Party Advisory
https://github.com/instructure/canvas-lms/issues/1905 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:instructure:canvas_learning_management_service:*:*:*:*:*:*:*:*

History

25 Jan 2024, 02:19

Type Values Removed Values Added
References () https://github.com/instructure/canvas-lms/issues/1905 - Exploit, Issue Tracking, Third Party Advisory () https://github.com/instructure/canvas-lms/issues/1905 - Exploit, Third Party Advisory

08 Aug 2023, 14:22

Type Values Removed Values Added
CWE CWE-200 CWE-639

02 Feb 2023, 18:09

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.5
First Time Instructure canvas Learning Management Service
Instructure
CPE cpe:2.3:a:instructure:canvas_learning_management_service:*:*:*:*:*:*:*:*
CWE CWE-200
References (MISC) https://github.com/gaukas/instructure-canvas-file-oracle - (MISC) https://github.com/gaukas/instructure-canvas-file-oracle - Exploit, Third Party Advisory
References (MISC) https://github.com/instructure/canvas-lms/issues/1905 - (MISC) https://github.com/instructure/canvas-lms/issues/1905 - Exploit, Issue Tracking, Third Party Advisory

31 Jan 2023, 15:15

Type Values Removed Values Added
References
  • (MISC) https://github.com/gaukas/instructure-canvas-file-oracle -

26 Jan 2023, 21:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-01-26 21:15

Updated : 2024-01-25 02:19


NVD link : CVE-2021-36539

Mitre link : CVE-2021-36539

CVE.ORG link : CVE-2021-36539


JSON object : View

Products Affected

instructure

  • canvas_learning_management_service
CWE
CWE-639

Authorization Bypass Through User-Controlled Key