CVE-2021-3986

Public Exploit
Information Disclosure in janeczku/calibre-web

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.04%
Third-Party Advisory huntr.com
Affected: janeczku janeczku/calibre-web
Published at:
Updated at:

References

Link Tags
https://huntr.com/bounties/394af194-61a7-4e33-b373-877d4c766fca third party advisory patch issue tracking exploit
https://github.com/janeczku/calibre-web/commit/6f5390ead5df9779ac81fadefffb476e03f93548 patch

Frequently Asked Questions

What is the severity of CVE-2021-3986?
CVE-2021-3986 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3986?
To fix CVE-2021-3986, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3986 being actively exploited in the wild?
It is possible that CVE-2021-3986 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3986?
CVE-2021-3986 affects janeczku janeczku/calibre-web.
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