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CVE-2021-20721

Quick assessment

Affected
kujirahand KonaWiki2
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.

KonaWiki是一款轻量级Wiki系统。该系统主要用于编写手稿、保留会议记录和备忘录等。 KonaWiki2 2.2.4版本之前存在代码问题漏洞。该漏洞源于程序文件上载期间对文件的验证不足，远程攻击者可以上传恶意文件并在服务器上执行该漏洞。

AI Predicted 9.8 Difficulty: Easy EPSS 1.52% · P73
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I. Basic Information for CVE-2021-20721

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
KonaWiki2 versions prior to 2.2.4 allows a remote attacker to upload arbitrary files via unspecified vectors. If the file contains PHP scripts, arbitrary code may be executed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
KonaWiki 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KonaWiki是一款轻量级Wiki系统。该系统主要用于编写手稿、保留会议记录和备忘录等。 KonaWiki2 2.2.4版本之前存在代码问题漏洞。该漏洞源于程序文件上载期间对文件的验证不足，远程攻击者可以上传恶意文件并在服务器上执行该漏洞。
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
kujirahand KonaWiki2 versions prior to 2.2.4 -

II. Public POCs for CVE-2021-20721

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20721

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Vendor Advisories for CVE-2021-20721 (1)

Other References for CVE-2021-20721 (1)

IV. Related Vulnerabilities

Same product: KonaWiki2
Same vendor: kujirahand

V. Comments for CVE-2021-20721

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