CVE-2021-21656
Quick assessment
Affected
Jenkins project Jenkins Xcode integration Plugin
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.
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins Xcode integration Plugin 2.0.14版本及之前存在安全漏洞。该漏洞源于程序未配置其XML解析器来防止XML外部实体（XXE）攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21656
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
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
Jenkins 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins Xcode integration Plugin 2.0.14版本及之前存在安全漏洞。该漏洞源于程序未配置其XML解析器来防止XML外部实体（XXE）攻击。
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 |
|---|---|---|---|---|
| Jenkins project | Jenkins Xcode integration Plugin | unspecified ~ 2.0.14 | - |
|
II. Public POCs for CVE-2021-21656
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-21656 (1)
-
https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2335 x_refsource_CONFIRM
Same Patch Batch · Jenkins project · 2021-05-11 · 9 CVEs total
| CVE-2021-21655 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2021-21654 | Jenkins 访问控制错误漏洞 | |
| CVE-2021-21652 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2021-21653 | Jenkins 信息泄露漏洞 | |
| CVE-2021-21651 | Jenkins 信息泄露漏洞 | |
| CVE-2021-21649 | Jenkins 跨站脚本漏洞 | |
| CVE-2021-21650 | Jenkins 信息泄露漏洞 | |
| CVE-2021-21648 | Jenkins Credentials Plugin 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21656
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