CVEvulnerability

CVE-2021-36539

6.5 MEDIUM Published 2023-01-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-639

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Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

Affected configurations

• instructure canvas learning management service (< 2022-10-15)

Related

Weakness · CWE (1)

  • CWE-639 Authorization Bypass Through User-Controlled Key weakness

Referenced by CWE · observed example (1)

  • CWE-639 Authorization Bypass Through User-Controlled Key weakness

References