Unquoted Service Path Vulnerability in HTC IPTInstaller
CVE-2020-36933

8.5HIGH

Key Information:

Vendor

Htc

Status
Iptinstaller
Vendor
CVE Published:
25 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36933?

HTC IPTInstaller version 4.0.9 is vulnerable due to an unquoted service path in the PassThru Service configuration. This flaw allows attackers to exploit the vulnerable binary path to execute arbitrary code with elevated LocalSystem privileges, posing serious security risks. Proper path quotes are essential to prevent unauthorized code execution in Windows environments.

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Affected Version(s)

IPTInstaller 4.0.9

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-2020-36933 - Proof of Concept

References

https://www.exploit-db.com/exploits/49006
exploit
https://www.htc.com/latam/
product
https://www.vulncheck.com/advisories/iptinstaller-passthr...
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

SamAlucard
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