CVE-2021-3986
4.3 · MEDIUMOverview
CVE-2021-3986 is a medium-severity vulnerability affecting janeczku calibre-web. It was published on November 15, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from janeczku. Update calibre-web to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| janeczku | calibre-web | >= 0, < 0.6.15 | Affected |
Frequently Asked Questions
What is CVE-2021-3986?
CVE-2021-3986 is a medium-severity vulnerability affecting janeczku calibre-web. It was published on November 15, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-3986?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-3986?
Check the references section for vendor advisories and patches from janeczku. Update calibre-web to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-3986?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3986 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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