Server-Side Request Forgery in Canvas LMS 2020-07-29 allows a remote, unauthenticated attacker to cause the Canvas application to perform HTTP GET requests to arbitrary domains.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.8 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N | 3.9 | 1.4 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-918,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| instructure | canvas_learning_management_service | 2020-07-29 |
Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).
Products Affected
| Vendor | Product | Version |
|---|---|---|
| instructure | canvas_learning_management_service | * |