6.5
CVE-2021-36539
- EPSS 0.87%
- Veröffentlicht 26.01.2023 21:15:23
- Zuletzt bearbeitet 21.11.2024 06:13:48
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
LoginInstructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Instructure ≫ Canvas Learning Management Service Version < 2022-10-15
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.87% | 0.539 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
|
CWE-639 Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
https://github.com/gaukas/instructure-canvas-file-oracle
https://github.com/instructure/canvas-lms/issues/1905