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CVE-2021-43940

Quick assessment

Affected
Atlassian Confluence Server
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.

Atlassian Confluence Server是澳大利亚Atlassian公司的一套具有企业知识管理功能，并支持用于构建企业WiKi的协同软件的服务器版本。 Atlassian Confluence Server 存在代码问题漏洞，该漏洞源于受影响的Atlassian Confluence服务器和数据中心版本允许经过身份验证的本地攻击者可利用该漏洞通过Confluence安装程序中的DLL劫持漏洞在本地系统上获得提升的特权。

AI Predicted 6.8 Difficulty: Easy EPSS 0.33% · P24
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I. Basic Information for CVE-2021-43940

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the Confluence installer. This vulnerability only affects installations of Confluence Server and Data Center on Windows. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Atlassian Confluence Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Atlassian Confluence Server是澳大利亚Atlassian公司的一套具有企业知识管理功能，并支持用于构建企业WiKi的协同软件的服务器版本。 Atlassian Confluence Server 存在代码问题漏洞，该漏洞源于受影响的Atlassian Confluence服务器和数据中心版本允许经过身份验证的本地攻击者可利用该漏洞通过Confluence安装程序中的DLL劫持漏洞在本地系统上获得提升的特权。
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
Atlassian Confluence Server unspecified ~ 7.4.10 -
Atlassian Confluence Data Center unspecified ~ 7.4.10 -

II. Public POCs for CVE-2021-43940

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III. Intelligence Information for CVE-2021-43940

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Other References for CVE-2021-43940 (1)

Same Patch Batch · Atlassian · 2022-02-15 · 6 CVEs total

CVE-2021-43948 Atlassian Jira Service Management Server 和 Data Center 安全漏洞
CVE-2021-43941 Atlassian Jira 跨站请求伪造漏洞
CVE-2021-43950 Atlassian Jira 安全漏洞
CVE-2021-43953 Atlassian Jira Server 和 Data Center 跨站请求伪造漏洞
CVE-2021-43952 Atlassian Jira 跨站请求伪造漏洞

IV. Related Vulnerabilities

Same product: Confluence Server
Same vendor: Atlassian
Same weakness: CWE-427

V. Comments for CVE-2021-43940

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