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CVE-2021-4017— Cross-Site Request Forgery (CSRF) in star7th/showdoc

Quick assessment

Affected
star7th star7th/showdoc
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.

showdoc是开源的一个非常适合IT团队在线共享文档的工具。 showdoc 存在跨站请求伪造漏洞，攻击者可以通过"/server/index.php?s=/api/itemGroup/save"进行攻击。

AI Predicted 6.5 Difficulty: Easy EPSS 0.60% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-4017

Vulnerability Information
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Vulnerability Title
Cross-Site Request Forgery (CSRF) in star7th/showdoc
Source: CVE Program / CVE List V5
Vulnerability Description
showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
showdoc 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
showdoc是开源的一个非常适合IT团队在线共享文档的工具。 showdoc 存在跨站请求伪造漏洞，攻击者可以通过"/server/index.php?s=/api/itemGroup/save"进行攻击。
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
star7th star7th/showdoc unspecified ~ v2.9.13 -

II. Public POCs for CVE-2021-4017

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-4017

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Patches & Fixes for CVE-2021-4017 (1)

Vendor Advisories for CVE-2021-4017 (1)

Same Patch Batch · star7th · 2021-12-01 · 4 CVEs total

CVE-2021-3989 Open Redirect in star7th/showdoc
CVE-2021-3990 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc
CVE-2021-3993 Cross-Site Request Forgery (CSRF) in star7th/showdoc

IV. Related Vulnerabilities

Same product: star7th/showdoc
Same vendor: star7th
Same weakness: CWE-352

V. Comments for CVE-2021-4017

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