CVE-2021-21693
Quick assessment
Affected
Jenkins project Jenkins
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存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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I. Basic Information for CVE-2021-21693
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
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 授权问题漏洞
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存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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 | unspecified ~ 2.318 | - |
|
II. Public POCs for CVE-2021-21693
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-21693 (1)
Same Patch Batch · Jenkins project · 2021-11-04 · 14 CVEs total
| CVE-2021-21685 | Jenkins 访问控制错误漏洞 | |
| CVE-2021-21686 | Jenkins 后置链接漏洞 | |
| CVE-2021-21687 | Jenkins 安全漏洞 | |
| CVE-2021-21688 | Jenkins 安全漏洞 | |
| CVE-2021-21689 | Jenkins 安全漏洞 | |
| CVE-2021-21690 | Jenkins 安全漏洞 | |
| CVE-2021-21691 | Jenkins 安全漏洞 | |
| CVE-2021-21692 | Jenkins 安全漏洞 | |
| CVE-2021-21694 | Jenkins 安全漏洞 | |
| CVE-2021-21695 | Jenkins 后置链接漏洞 | |
| CVE-2021-21696 | Jenkins 安全漏洞 | |
| CVE-2021-21697 | Jenkins 安全漏洞 | |
| CVE-2021-21698 | Jenkins 路径遍历漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21693
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