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CVE-2021-47890— LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path

Quick assessment

Affected
Softros Systems LogonExpert
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.

Softros LogonExpert是美国Softros公司的一个安全自动登录管理工具。 Softros LogonExpert 8.1版本存在代码问题漏洞，该漏洞源于服务路径未加引号，可能导致执行任意代码。

CVSS 7.8 · High EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1546.001 · Change Default File Association
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I. Basic Information for CVE-2021-47890

Vulnerability Information
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Vulnerability Title
LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path
Source: CVE Program / CVE List V5
Vulnerability Description
LogonExpert 8.1 contains an unquoted service path vulnerability in the LogonExpertSvc service running with LocalSystem privileges. Attackers can exploit the unquoted path to place malicious executables in intermediate directories, potentially gaining elevated system access during service startup.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Softros LogonExpert 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Softros LogonExpert是美国Softros公司的一个安全自动登录管理工具。 Softros LogonExpert 8.1版本存在代码问题漏洞，该漏洞源于服务路径未加引号，可能导致执行任意代码。
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
Softros Systems LogonExpert 8.1 -

II. Public POCs for CVE-2021-47890

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III. Intelligence Information for CVE-2021-47890

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IV. Related Vulnerabilities

Same vendor: Softros Systems
Same weakness: CWE-428