VULNERABILITY INTELLIGENCE
CVE-2021-3987
CVSS score4.3 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2024-11-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the `create_shelf` method in `shelf.py` not verifying if the user has the necessary permissions to create a public shelf. This issue can lead to unauthorized actions being performed by users.
Weakness classification
- security@huntr.dev: CWE-284
- nvd@nist.gov: CWE-862
Primary references
- security@huntr.dev — Patch
- security@huntr.dev — Exploit