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CVE-2021-39127

Quick assessment

Affected
Atlassian Jira 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 存在安全漏洞，该漏洞源于 Atlassian Jira 服务器和数据中心版本允许匿名远程攻击者通过访问控制漏洞 (BAC) 漏洞攻击查询组件 JQL 端点。

AI Predicted 9.1 Difficulty: Easy EPSS 1.31% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39127

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to the query component JQL endpoint via a Broken Access Control vulnerability (BAC) vulnerability. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.
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 安全漏洞
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 存在安全漏洞，该漏洞源于 Atlassian Jira 服务器和数据中心版本允许匿名远程攻击者通过访问控制漏洞 (BAC) 漏洞攻击查询组件 JQL 端点。
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 Server unspecified ~ 8.5.10 -
Atlassian Jira Data Center unspecified ~ 8.5.10 -

II. Public POCs for CVE-2021-39127

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-39127

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Other References for CVE-2021-39127 (1)

IV. Related Vulnerabilities

Same product: Jira Server
Same vendor: Atlassian

V. Comments for CVE-2021-39127

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