CVE-2021-26556
Quick assessment
Affected
Octopus Deploy Octopus Server
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.
Octopus Server是一个自动化部署平台。 Octopus Server 存在安全漏洞，当使用自定义文件夹位置安装Octopus Server时，可能导致非特权用户获得特权访问。
Possible ATT&CK Techniques 1 AI
T1574.007 · Path Interception by PATH Environment Variable
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I. Basic Information for CVE-2021-26556
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.
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
Octopus Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Octopus Server是一个自动化部署平台。 Octopus Server 存在安全漏洞，当使用自定义文件夹位置安装Octopus Server时，可能导致非特权用户获得特权访问。
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 |
|---|---|---|---|---|
| Octopus Deploy | Octopus Server | 0.9 ~ unspecified | - |
|
II. Public POCs for CVE-2021-26556
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-26556 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-26556
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