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CVE-2021-21618

Quick assessment

Affected
Jenkins project Jenkins Repository Connector Plugin
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jenkins Repository Connector是 Jenkins开源的一个应用插件。提供从Nexus或Artifactory之类的存储库中检索工件或从中部署工件，以及实现存储库布局的静态服务器。 Jenkins Repository Connector Plugin 2.0.2 and earlier 存在跨站脚本漏洞，该漏洞源于没有转义过去构建的参数名和描述。

AI Predicted 6.1 Difficulty: Easy EPSS 81.77% · P100

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-21618

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
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 Repository Connector 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins Repository Connector是 Jenkins开源的一个应用插件。提供从Nexus或Artifactory之类的存储库中检索工件或从中部署工件，以及实现存储库布局的静态服务器。 Jenkins Repository Connector Plugin 2.0.2 and earlier 存在跨站脚本漏洞，该漏洞源于没有转义过去构建的参数名和描述。
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 Repository Connector Plugin unspecified ~ 2.0.2 -

II. Public POCs for CVE-2021-21618

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III. Intelligence Information for CVE-2021-21618

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Vendor Advisories for CVE-2021-21618 (1)

Same Patch Batch · Jenkins project · 2021-02-24 · 7 CVEs total

CVE-2021-21616 Jenkins Active Choices 跨站脚本漏洞
CVE-2021-21617 Jenkins Configuration Slicing 跨站请求伪造漏洞
CVE-2021-21619 Jenkins Claim Plugin 跨站脚本漏洞
CVE-2021-21620 Jenkins Claim 跨站请求伪造漏洞
CVE-2021-21621 Jenkins Support Core 信息泄露漏洞
CVE-2021-21622 Jenkins Artifact Repository Parameter 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Jenkins Repository Connector Plugin
Same vendor: Jenkins project

V. Comments for CVE-2021-21618

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