CVE-2021-27661— Facility Explorer
Quick assessment
Affected
Johnson Controls Facility Explorer SNC Series Supervisory Controllers (F4-SNC)
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.
Johnson Controls Facility Explorer是美国江森自控（Johnson Controls）公司的一个监控控制器，提供可扩展的全系统监控和控制。 Johnson Controls Facility Explorer存在安全漏洞，该漏洞源于权限管理不当，攻击者利用该漏洞可以访问或修改系统文件。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1222 · File and Directory Permissions Modification
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I. Basic Information for CVE-2021-27661
Vulnerability Information
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Vulnerability Title
Facility Explorer
Source: CVE Program / CVE List V5
Vulnerability Description
Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller’s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Johnson Controls Facility Explorer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls Facility Explorer是美国江森自控（Johnson Controls）公司的一个监控控制器，提供可扩展的全系统监控和控制。 Johnson Controls Facility Explorer存在安全漏洞，该漏洞源于权限管理不当，攻击者利用该漏洞可以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 | Facility Explorer SNC Series Supervisory Controllers (F4-SNC) | Facility Explorer SNC Series Supervisory Controllers version 11 11 | - |
|
II. Public POCs for CVE-2021-27661
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-27661 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-27661
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