VulnerabilityAnalyzed

CVE-2021-3986

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users.

MEDIUM 4.3EPSS 0.37%

Does this matter?

Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1: 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.37% probability · 31th percentile
CISA KEV: Not listed
Weakness: CWE-209
Affected: janeczku/calibre-web
Source: security@huntr.dev

References

https://github.com/janeczku/calibre-web/commit/6f5390ead5df9779ac81fadefffb476e03f93548Patch
https://huntr.com/bounties/394af194-61a7-4e33-b373-877d4c766fcaExploit, Issue Tracking, Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.