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CVE-2021-43949

Quick assessment

Affected
Atlassian Jira Service Management 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 Jira是澳大利亚Atlassian公司的一套缺陷跟踪管理系统。该系统主要用于对工作中各类问题、缺陷进行跟踪管理。 Atlassian Jira Service Management Server and Data Center存在安全漏洞，该漏洞源于受影响的Atlassian Jira服务管理服务器和数据中心版本允许经过身份验证的远程攻击者可利用该漏洞通过自定义字段特性中的错误访问控制漏洞查看私有对象。受影响的版本在4.21.0版本之前。

AI Predicted 8.8 Difficulty: Easy EPSS 0.81% · P54

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-43949

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
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 Jira 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Atlassian Jira是澳大利亚Atlassian公司的一套缺陷跟踪管理系统。该系统主要用于对工作中各类问题、缺陷进行跟踪管理。 Atlassian Jira Service Management Server and Data Center存在安全漏洞，该漏洞源于受影响的Atlassian Jira服务管理服务器和数据中心版本允许经过身份验证的远程攻击者可利用该漏洞通过自定义字段特性中的错误访问控制漏洞查看私有对象。受影响的版本在4.21.0版本之前。
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 Jira Service Management Server unspecified ~ 4.21.0 -
Atlassian Jira Service Management Data Center unspecified ~ 4.21.0 -

II. Public POCs for CVE-2021-43949

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III. Intelligence Information for CVE-2021-43949

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Other References for CVE-2021-43949 (1)

IV. Related Vulnerabilities

Same product: Jira Service Management Server
Same vendor: Atlassian

V. Comments for CVE-2021-43949

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