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CVE-2021-43957

Quick assessment

Affected
Atlassian Fisheye
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 Fisheye和Crucible都是澳大利亚Atlassian公司的产品。Atlassian Fisheye是一套源代码深度查看软件。Crucible是一套代码审查工具。 Atlassian Fisheye & Crucible 存在安全漏洞，该漏洞允许远程攻击者通过 WEB-INF 目录中的不安全直接对象引用 (IDOR) 漏洞浏览本地文件，并由于缺乏 url 解码绕过 CVE-2020-29446 的修复程序。

AI Predicted 9.1 Difficulty: Easy EPSS 1.29% · P69

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-43957

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Affected versions of Atlassian Fisheye & Crucible allowed remote attackers to browse local files via an Insecure Direct Object References (IDOR) vulnerability in the WEB-INF directory and bypass the fix for CVE-2020-29446 due to a lack of url decoding. The affected versions are before version 4.8.9.
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
Atlassian Fisheye和Crucible 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Atlassian Fisheye和Crucible都是澳大利亚Atlassian公司的产品。Atlassian Fisheye是一套源代码深度查看软件。Crucible是一套代码审查工具。 Atlassian Fisheye & Crucible 存在安全漏洞，该漏洞允许远程攻击者通过 WEB-INF 目录中的不安全直接对象引用 (IDOR) 漏洞浏览本地文件，并由于缺乏 url 解码绕过 CVE-2020-29446 的修复程序。
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 Fisheye unspecified ~ 4.8.9 -
Atlassian Crucible unspecified ~ 4.8.9 -

II. Public POCs for CVE-2021-43957

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III. Intelligence Information for CVE-2021-43957

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Other References for CVE-2021-43957 (2)

Same Patch Batch · Atlassian · 2022-03-16 · 4 CVEs total

CVE-2021-43955 Atlassian Fisheye和Crucible安全漏洞
CVE-2021-43956 Atlassian Fisheye和Crucible 安全漏洞
CVE-2021-43958 Atlassian Fisheye和Crucible 安全漏洞

IV. Related Vulnerabilities

Same product: Fisheye
Same vendor: Atlassian

V. Comments for CVE-2021-43957

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