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CVE-2019-12254— TECSON/GOK: Improper Authentication and Access Control on multiple devices

Quick assessment

Affected
TECSON e-litro net
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.

TECSON/GOK SmartBox是德国TECSON/GOK公司的一系列电子油箱管理系统。 TECSON/GOK SmartBox 系列4款产品存在授权问题漏洞，该漏洞源于缺乏充分实施的访问控制规则，恶意用户通过访问 Web 服务器上的特定统一资源定位器 (URL) 就可以在完全不进行身份验证的情况下更改应用程序设置。

CVSS 9.8 · Critical EPSS 1.29% · P70
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I. Basic Information for CVE-2019-12254

Vulnerability Information
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Vulnerability Title
TECSON/GOK: Improper Authentication and Access Control on multiple devices
Source: CVE Program / CVE List V5
Vulnerability Description
In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TECSON/GOK SmartBox 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TECSON/GOK SmartBox是德国TECSON/GOK公司的一系列电子油箱管理系统。 TECSON/GOK SmartBox 系列4款产品存在授权问题漏洞，该漏洞源于缺乏充分实施的访问控制规则，恶意用户通过访问 Web 服务器上的特定统一资源定位器 (URL) 就可以在完全不进行身份验证的情况下更改应用程序设置。
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
TECSON e-litro net unspecified ~ V6.32 -
TECSON LX-Net unspecified ~ V6.32 -
TECSON LX-Q-Net unspecified ~ V6.32 -
GOK SmartBox 4 LAN unspecified ~ V6.3 -
GOK SmartBox 4 LAN PRO unspecified ~ V6.3 -

II. Public POCs for CVE-2019-12254

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III. Intelligence Information for CVE-2019-12254

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Other References for CVE-2019-12254 (1)

IV. Related Vulnerabilities

Same weakness: CWE-287