CVE-2021-36539 is a medium-severity access control vulnerability affecting Instructure Canvas LMS. It allows unprivileged users to view locked or unpublished files via the DocViewer preview URL, bypassing intended restrictions. The vulnerability has a CVSS score of 6.5, indicating a network-based attack with low privileges required, leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2022-10-15CPE matchmatch criteria | cpe:2.3:a:instructure:canvas_learning_management_service:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.