CVE-2021-21676
Quick assessment
Affected
Jenkins project Jenkins requests-plugin 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 requests-plugin 存在安全漏洞，该漏洞源于Jenkins requests-plugin 2.2.7及更早版本没有在HTTP端点执行权限检查。攻击者可利用该漏洞发送测试电子邮件到攻击者可利用该漏洞指定的电子邮件地址。
Possible ATT&CK Techniques 2 AI
T1546.001 · Change Default File Association T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-21676
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins requests-plugin Plugin 2.2.7 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to send test emails to an attacker-specified email address.
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 requests-plugin 存在安全漏洞，该漏洞源于Jenkins requests-plugin 2.2.7及更早版本没有在HTTP端点执行权限检查。攻击者可利用该漏洞发送测试电子邮件到攻击者可利用该漏洞指定的电子邮件地址。
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 requests-plugin Plugin | unspecified ~ 2.2.7 | - |
|
II. Public POCs for CVE-2021-21676
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-21676 (1)
-
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2136%20%282%29 x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-21676 (1)
Same Patch Batch · Jenkins project · 2021-06-30 · 7 CVEs total
| 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-2021-21671 | Jenkins 授权问题漏洞 | |
| CVE-2021-21670 | Jenkins 访问控制错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21676
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