CVE-2021-4200— Write access to the Catalog for any user when restricted-admin role is enabled
Quick assessment
Affected
SUSE Rancher
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.
Rancher Labs Rancher是美国Rancher Labs公司的一套开源的企业级容器管理平台。 Rancher Labs Rancher 存在安全漏洞，该漏洞源于不当权限管理。攻击者利用此漏洞可在启用受限管理员角色时对目录进行写访问。以下产品和版本受到影响：Rancher Rancher 2.5.13 之前版本、Rancher 2.6.4 之前版本。
Possible ATT&CK Techniques 1 AI
T0000
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I. Basic Information for CVE-2021-4200
Vulnerability Information
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Vulnerability Title
Write access to the Catalog for any user when restricted-admin role is enabled
Source: CVE Program / CVE List V5
Vulnerability Description
A Improper Privilege Management vulnerability in SUSE Rancher allows write access to the Catalog for any user when restricted-admin role is enabled. This issue affects: SUSE Rancher Rancher versions prior to 2.5.13; Rancher versions prior to 2.6.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Rancher Labs Rancher 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rancher Labs Rancher是美国Rancher Labs公司的一套开源的企业级容器管理平台。 Rancher Labs Rancher 存在安全漏洞，该漏洞源于不当权限管理。攻击者利用此漏洞可在启用受限管理员角色时对目录进行写访问。以下产品和版本受到影响：Rancher Rancher 2.5.13 之前版本、Rancher 2.6.4 之前版本。
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
II. Public POCs for CVE-2021-4200
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-4200 (1)
-
https://bugzilla.suse.com/show_bug.cgi?id=1193992 x_refsource_CONFIRM
Same Patch Batch · SUSE · 2022-05-02 · 3 CVEs total
| CVE-2021-36778 | 7.3 HIGH | Exposure of repository credentials to external third-party sources |
| CVE-2021-36784 | 7.2 HIGH | Privilege escalation for users with create/update permissions in Global Roles |
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V. Comments for CVE-2021-4200
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