CVE-2021-21608
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.
Cloudbees Jenkins（Hudson Labs）是美国CloudBees（Cloudbees）公司的一套基于Java开发的持续集成工具。该产品主要用于监控持续的软件版本发布/测试项目和一些定时执行的任务。 Jenkins 2.274版本及之前存在跨站脚本漏洞，该漏洞源于程序没有对URL呈现作为查询参数传递的标记的格式化预览实现任何限制，攻击者可利用该漏洞获取敏感信息。以下设备或型号存在漏洞：Jenkins 2.274版本及之前、LTS 2.263.1版本及之前。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-21608
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.
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
Cloudbees Jenkins 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudbees Jenkins（Hudson Labs）是美国CloudBees（Cloudbees）公司的一套基于Java开发的持续集成工具。该产品主要用于监控持续的软件版本发布/测试项目和一些定时执行的任务。 Jenkins 2.274版本及之前存在跨站脚本漏洞，该漏洞源于程序没有对URL呈现作为查询参数传递的标记的格式化预览实现任何限制，攻击者可利用该漏洞获取敏感信息。以下设备或型号存在漏洞：Jenkins 2.274版本及之前、LTS 2.263.1版本及之前。
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 ~ 2.274 | - |
|
II. Public POCs for CVE-2021-21608
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-21608 (1)
-
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2035 x_refsource_CONFIRM
Same Patch Batch · Jenkins project · 2021-01-13 · 13 CVEs total
| CVE-2021-21613 | CloudBees Jenkins TICS Plugin 跨站脚本漏洞 | |
| CVE-2021-21614 | Cloudbees Jenkins 信息泄露漏洞 | |
| CVE-2021-21612 | Cloudbees Jenkins TraceTronic ECU-TEST Plugin 信息泄露漏洞 | |
| CVE-2021-21610 | Cloudbees Jenkins 跨站脚本漏洞 | |
| CVE-2021-21611 | Cloudbees Jenkins 跨站脚本漏洞 | |
| CVE-2021-21609 | Cloudbees Jenkins 授权问题漏洞 | |
| CVE-2021-21607 | Cloudbees Jenkins 授权问题漏洞 | |
| CVE-2021-21605 | Jenkins 路径遍历漏洞 | |
| CVE-2021-21606 | Cloudbees Jenkins 输入验证错误漏洞 | |
| CVE-2021-21604 | Cloudbees Jenkins 代码问题漏洞 | |
| CVE-2021-21602 | Cloudbees Jenkins 后置链接漏洞 | |
| CVE-2021-21603 | Cloudbees Jenkins 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21608
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