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CVE-2021-3986— Information Disclosure in janeczku/calibre-web

Quick assessment

Affected
janeczku janeczku/calibre-web
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Calibre-Web是Jan B个人开发者的一款用于浏览、阅读和下载Calibre数据库中电子书的Web应用程序。 Calibre-Web存在安全漏洞，该漏洞源于允许未经授权的用户查看属于其他用户的私人书架的名称。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-3986

Vulnerability Information
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Vulnerability Title
Information Disclosure in janeczku/calibre-web
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Calibre-Web 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Calibre-Web是Jan B个人开发者的一款用于浏览、阅读和下载Calibre数据库中电子书的Web应用程序。 Calibre-Web存在安全漏洞，该漏洞源于允许未经授权的用户查看属于其他用户的私人书架的名称。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
janeczku janeczku/calibre-web unspecified ~ latest -

II. Public POCs for CVE-2021-3986

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III. Intelligence Information for CVE-2021-3986

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Vendor Advisories for CVE-2021-3986 (1)

Same Patch Batch · janeczku · 2024-11-15 · 3 CVEs total

CVE-2021-3988 Cross-site Scripting (XSS) in janeczku/calibre-web
CVE-2021-3987 Improper Access Control in janeczku/calibre-web

IV. Related Vulnerabilities

Same product: janeczku/calibre-web
Same vendor: janeczku
Same weakness: CWE-209

V. Comments for CVE-2021-3986

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