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CVE-2020-12493— Critical Vulnerability in SWARCO CPU LS4000

Quick assessment

Affected
SWARCO CPU LS4000
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.

Swarco SWARCO CPU LS4000是奥地利SWARCO（Swarco）公司的一款流量控制器产品。 SWARCOs CPU LS4000（G4）中存在安全漏洞，该漏洞源于用于调试的开放端口没有进行网络访问控制并且拥有对设备的root访问权限。攻击者可利用该漏洞访问设备并干扰已连接设备的操作。

CVSS 10.0 · Critical EPSS 1.40% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-12493

Vulnerability Information
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Vulnerability Title
Critical Vulnerability in SWARCO CPU LS4000
Source: CVE Program / CVE List V5
Vulnerability Description
An open port used for debugging in SWARCOs CPU LS4000 Series with versions starting with G4... grants root access to the device without access control via network. A malicious user could use this vulnerability to get access to the device and disturb operations with connected devices.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SWARCO CPU LS4000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Swarco SWARCO CPU LS4000是奥地利SWARCO（Swarco）公司的一款流量控制器产品。 SWARCOs CPU LS4000（G4）中存在安全漏洞，该漏洞源于用于调试的开放端口没有进行网络访问控制并且拥有对设备的root访问权限。攻击者可利用该漏洞访问设备并干扰已连接设备的操作。
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
SWARCO CPU LS4000 Operating System G4... -

II. Public POCs for CVE-2020-12493

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III. Intelligence Information for CVE-2020-12493

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Other References for CVE-2020-12493 (1)

IV. Related Vulnerabilities

Same weakness: CWE-284

V. Comments for CVE-2020-12493

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