HTC IPTInstaller 4.0.9 PassThru Service unquoted search path

Summaryinfo

A vulnerability categorized as problematic has been discovered in HTC IPTInstaller 4.0.9. This affects an unknown function of the component PassThru Service. Such manipulation leads to unquoted search path. This vulnerability is uniquely identified as CVE-2020-36933. Local access is required to approach this attack. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in HTC IPTInstaller 4.0.9. Affected by this issue is an unknown functionality of the component PassThru Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability. CVE summarizes:

HTC IPTInstaller 4.0.9 contains an unquoted service path vulnerability in the PassThru Service configuration. Attackers can exploit the unquoted binary path to inject and execute malicious code with elevated LocalSystem privileges.

The weakness was disclosed by SamAlucard as 49006. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2020-36933 since 01/25/2026. The exploitation is known to be difficult. The attack needs to be approached locally. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1574.009.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-4310) and EUVD (EUVD-2026-4631). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• HTC

Name

• IPTInstaller

Version

• 4.0.9

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Once again VulDB remains the best source for vulnerability data.

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