Unquoted Service Path Vulnerability in ShareMouse by ShareMouse
CVE-2020-36991

8.5HIGH

Key Information:

Vendor

Sharemouse

Status
Sharemouse
Vendor
CVE Published:
28 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36991?

ShareMouse 5.0.43 is susceptible to a vulnerability that involves an unquoted service path. This flaw allows local users to leverage the improper configuration of the service path to execute arbitrary code with elevated privileges. Malicious actors can exploit this vulnerability by placing harmful executables within designated system directories, facilitating unauthorized access when the service initiates. This issue underscores the necessity for proper service configuration and vigilance against local privilege escalation threats.

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Affected Version(s)

ShareMouse 5.0.43

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36991 - Proof of Concept

References

https://www.exploit-db.com/exploits/48794
exploit
https://www.sharemouse.com/
product
https://www.vulncheck.com/advisories/sharemouse-sharemous...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alan Lacerda (alacerda)
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