CVE-2021-21671
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Jenkins 不会在登录时使之前的会话无效。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2021-21671
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
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Jenkins 不会在登录时使之前的会话无效。
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 | 2.266 ~ unspecified | - |
|
II. Public POCs for CVE-2021-21671
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2021-21671 (1)
-
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371 x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-21671 (1)
Same Patch Batch · Jenkins project · 2021-06-30 · 7 CVEs total
| CVE-2021-21676 | Jenkins 安全漏洞 | |
| CVE-2021-21675 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2021-21674 | Jenkins 安全漏洞 | |
| CVE-2021-21673 | Jenkins 输入验证错误漏洞 | |
| CVE-2021-21672 | Jenkins 代码问题漏洞 | |
| CVE-2021-21670 | Jenkins 访问控制错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21671
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