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CVE-2021-41293— ECOA BAS controller - Path Traversal-3

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泄露受影响设备上的任意文件并泄露敏感和系统信息。

CVSS 7.5 · High EPSS 19.87% · P97

Public Exploits 1

Nuclei · 1 CVE-2021-41293.yaml [template]
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I. Basic Information for CVE-2021-41293

Vulnerability Information
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Vulnerability Title
ECOA BAS controller - Path Traversal-3
Source: CVE Program / CVE List V5
Vulnerability Description
ECOA BAS controller suffers from a path traversal vulnerability, causing arbitrary files disclosure. Using the specific POST parameter, unauthenticated attackers can remotely disclose arbitrary files on the affected device and disclose sensitive and system information.
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泄露受影响设备上的任意文件并泄露敏感和系统信息。
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-2021-41293

# POC Description Source Link Shenlong Link
1 The ECOA BAS controller suffers from an arbitrary file disclosure vulnerability. Using the 'fname' POST parameter in viewlog.jsp, attackers can disclose arbitrary files on the affected device and disclose sensitive and system information. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41293.yaml POC Details
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III. Intelligence Information for CVE-2021-41293

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Other References for CVE-2021-41293 (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-2021-41291 7.5 HIGH ECOA BAS controller - Path Traversal-1
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-2021-41293

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