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CVE-2021-47889— Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path

Quick assessment

Affected
Softros Systems LAN Messenger
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 LAN Messenger是美国Softros公司的一个局域网即时通讯系统。 Softros LAN Messenger 9.6.4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% · P3

Possible ATT&CK Techniques 1 AI

T1574.004 · Dylib Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
Softros Systems LAN Messenger 9.6.4 affected
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I. Basic Information for CVE-2021-47889

Vulnerability Information
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Vulnerability Title
Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path
Source: CVE Program / CVE List V5
Vulnerability Description
Softros LAN Messenger 9.6.4 contains an unquoted service path vulnerability in the SoftrosSpellChecker service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\' to inject malicious executables and escalate privileges.
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 LAN Messenger 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Softros LAN Messenger是美国Softros公司的一个局域网即时通讯系统。 Softros LAN Messenger 9.6.4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 LAN Messenger 9.6.4 -

II. Public POCs for CVE-2021-47889

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III. Intelligence Information for CVE-2021-47889

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Vendor Advisories for CVE-2021-47889 (1)

Exploits & Public PoCs for CVE-2021-47889 (1)

IV. Related Vulnerabilities

Same product: LAN Messenger
Same vendor: Softros Systems
Same weakness: CWE-428