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CVE-2021-3758— Server-Side Request Forgery (SSRF) in bookstackapp/bookstack

Quick assessment

Affected
bookstackapp bookstackapp/bookstack
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.

BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstack存在代码问题漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

AI Predicted 6.5 Difficulty: Easy EPSS 0.80% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3758

Vulnerability Information
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Vulnerability Title
Server-Side Request Forgery (SSRF) in bookstackapp/bookstack
Source: CVE Program / CVE List V5
Vulnerability Description
bookstack is vulnerable to Server-Side Request Forgery (SSRF)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
BookStack 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstack存在代码问题漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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
bookstackapp bookstackapp/bookstack unspecified ~ 21.08 -

II. Public POCs for CVE-2021-3758

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III. Intelligence Information for CVE-2021-3758

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Patches & Fixes for CVE-2021-3758 (1)

Vendor Advisories for CVE-2021-3758 (1)

IV. Related Vulnerabilities

Same product: bookstackapp/bookstack
Same vendor: bookstackapp
Same weakness: CWE-918

V. Comments for CVE-2021-3758

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