CVE-2021-36539
6.5
MEDIUM
CVSS 3.1
EPSS 0.87%
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Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).
How to fix CVE-2021-36539
To remediate CVE-2021-36539, upgrade the affected package to a fixed version below.
- Bitnami/canvaslms—upgrade to 2022-10-15.0.0 or later
Is CVE-2021-36539 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2022-10-15.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |