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CVE-2021-41291— ECOA BAS controller - Path Traversal-1

Quick assessment

Affected
ECOA ECS Router Controller ECS (FLASH)
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ecoa Technologies Corp Ecoa Bas controller是中国Ecoa Technologies Corp公司的一个楼宇自动化控制器。 Ecoa Bas controller存在路径遍历漏洞，未经身份验证的攻击者可以远程披露受影响设备上的目录内容。

CVSS 7.5 · High EPSS 82.69% · P100

Public Exploits 1

Nuclei · 1 CVE-2021-41291.yaml [template]

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-41291

Vulnerability Information
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Vulnerability Title
ECOA BAS controller - Path Traversal-1
Source: CVE Program / CVE List V5
Vulnerability Description
ECOA BAS controller suffers from a path traversal content disclosure vulnerability. Using the GET parameter in File Manager, unauthenticated attackers can remotely disclose directory content on the affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Ecoa Bas controller 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ecoa Technologies Corp Ecoa Bas controller是中国Ecoa Technologies Corp公司的一个楼宇自动化控制器。 Ecoa Bas controller存在路径遍历漏洞，未经身份验证的攻击者可以远程披露受影响设备上的目录内容。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ECOA ECS Router Controller ECS (FLASH) next of 0 ~ unspecified -
ECOA RiskBuster Terminator E6L45 next of 0 ~ unspecified -
ECOA RiskBuster System RB 3.0.0 next of 0 ~ unspecified -
ECOA RiskBuster System TRANE 1.0 next of 0 ~ unspecified -
ECOA Graphic Control Software next of 0 ~ unspecified -
ECOA SmartHome II E9246 next of 0 ~ unspecified -
ECOA RiskTerminator next of 0 ~ unspecified -

II. Public POCs for CVE-2021-41291

# POC Description Source Link Shenlong Link
1 The ECOA BAS controller suffers from a directory traversal content disclosure vulnerability. Using the GET parameter cpath in File Manager (fmangersub), attackers can disclose directory content on the affected device https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41291.yaml POC Details
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III. Intelligence Information for CVE-2021-41291

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Other References for CVE-2021-41291 (1)

Same Patch Batch · ECOA · 2021-09-30 · 13 CVEs total

CVE-2021-41290 9.8 CRITICAL ECOA BAS controller - Path Traversal-1
CVE-2021-41292 9.8 CRITICAL ECOA BAS controller - Broken Authentication
CVE-2021-41296 9.8 CRITICAL ECOA BAS controller - Weak Password Requirements
CVE-2021-41299 9.8 CRITICAL ECOA BAS controller - Use of Hard-coded Credentials
CVE-2021-41300 9.8 CRITICAL ECOA BAS controller - Insufficiently Protected Credentials-2
CVE-2021-41301 9.8 CRITICAL ECOA BAS controller - Exposure of Sensitive Information to an Unauthorized Actor
CVE-2021-41294 9.1 CRITICAL ECOA BAS controller - Path Traversal-4
CVE-2021-41295 8.8 HIGH ECOA BAS controller - Cross-Site Request Forgery (CSRF)
CVE-2021-41297 8.8 HIGH ECOA BAS controller - Insufficiently Protected Credentials-1
CVE-2021-41298 8.8 HIGH ECOA BAS controller - Improper Access Control
CVE-2021-41293 7.5 HIGH ECOA BAS controller - Path Traversal-3
CVE-2021-41302 7.3 HIGH ECOA BAS controller - Missing Encryption of Sensitive Data

IV. Related Vulnerabilities

Same product: ECS Router Controller ECS (FLASH)
Same vendor: ECOA
Same weakness: CWE-22

V. Comments for CVE-2021-41291

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