Information disclosure in Janeczku Calibre-Web

CVE-2021-3986

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they do not own. This vulnerability discloses private information and affects all versions prior to the fix.

EPSS: 0.004 (28.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-3986?
CVE-2021-3986 is a medium-severity vulnerability in Janeczku Calibre-Web, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2024-11-15.
How severe is CVE-2021-3986?
Medium severity. CVSS v3 base score is 4.3 out of 10.