CVE-2021-21623
Quick assessment
Affected
Jenkins project Jenkins Matrix Authorization Strategy 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 Matrix Authorization Strategy是 （Jenkins）开源的一个应用插件。该插件在Jenkins中实现细粒度的访问控制。 Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier 存在安全漏洞，该漏洞源于权限检查错误。
Possible ATT&CK Techniques 1 AI
T1078.003 · Local Accounts
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I. Basic Information for CVE-2021-21623
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.
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 Matrix Authorization Strategy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins Matrix Authorization Strategy是 （Jenkins）开源的一个应用插件。该插件在Jenkins中实现细粒度的访问控制。 Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier 存在安全漏洞，该漏洞源于权限检查错误。
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 Matrix Authorization Strategy Plugin | unspecified ~ 2.6.5 | - |
|
II. Public POCs for CVE-2021-21623
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-21623 (1)
-
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180 x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-21623 (1)
Same Patch Batch · Jenkins project · 2021-03-18 · 5 CVEs total
| CVE-2021-21624 | Jenkins Role-based Authorization Strategy 权限许可和访问控制问题漏洞 | |
| CVE-2021-21625 | Jenkins CloudBees AWS Credentials 安全漏洞 | |
| CVE-2021-21626 | Jenkins Warnings Next Generation 安全漏洞 | |
| CVE-2021-21627 | Jenkins Libvirt Agents 跨站请求伪造漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21623
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