CVE-2021-27657— Metasys Improper Privilege Management
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I. Basic Information for CVE-2021-27657
Vulnerability Information
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Vulnerability Title
Metasys Improper Privilege Management
Source: NVD (National Vulnerability Database)
Vulnerability Description
Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Johnson Controls Metasys 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls Metasys system是美国江森自控（Johnson Controls）公司的一套楼宇自动化系统。 Johnson Controls Metasys 11.0版本及之前版本存在安全漏洞，该漏洞允许攻击者向Metasys系统发送专门设计的web消息来访问或修改系统文件。
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 |
|---|---|---|---|---|
| Johnson Controls | Metasys | 11.0 ~ 11.0 | - |
II. Public POCs for CVE-2021-27657
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Same weakness: CWE-269
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V. Comments for CVE-2021-27657
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