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MEDIUM · 4.3

CVE-2021-3987

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 `c...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
JaneczkuCalibre-Web< 0.6.15

Related Weaknesses (CWE)

CWE-284CWE-862

References

FAQ

What is CVE-2021-3987?

CVE-2021-3987 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 `c...

How severe is CVE-2021-3987?

CVE-2021-3987 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3987?

Check the references section above for vendor advisories and patch information. Affected products include: Janeczku Calibre-Web.