CVE-2021-21647
Quick assessment
Affected
Jenkins project Jenkins CloudBees CD 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 CloudBees CD Plugin 1.1.21 版本及之前版本存在安全漏洞，该漏洞源于不会在HTTP端点上执行权限检查。
Possible ATT&CK Techniques 1 AI
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I. Basic Information for CVE-2021-21647
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build 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 安全漏洞
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 CloudBees CD Plugin 1.1.21 版本及之前版本存在安全漏洞，该漏洞源于不会在HTTP端点上执行权限检查。
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 CloudBees CD Plugin | unspecified ~ 1.1.21 | - |
|
II. Public POCs for CVE-2021-21647
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-21647 (1)
-
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309 x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-21647 (1)
Same Patch Batch · Jenkins project · 2021-04-21 · 6 CVEs total
| CVE-2021-21642 | Jenkins Config File Provider Plugin 代码问题漏洞 | |
| CVE-2021-21643 | Red Hat OpenShift Container Platform 安全漏洞 | |
| CVE-2021-21644 | Jenkins Config File Provider Plugin 跨站请求伪造漏洞 | |
| CVE-2021-21645 | Jenkins Config File Provider Plugin 安全漏洞 | |
| CVE-2021-21646 | Jenkins Templating Engine Plugin 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21647
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