ActFax 10.10 ActiveFaxServiceNT Service ActSrvNT.exe unquoted search path

Summaryinfo

A vulnerability was found in ActFax 10.10. It has been classified as problematic. This issue affects some unknown processing of the file ActSrvNT.exe of the component ActiveFaxServiceNT Service. Performing a manipulation results in unquoted search path. This vulnerability is identified as CVE-2023-53954. The attack is only possible with local access. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in ActFax 10.10. This affects an unknown code block of the file ActSrvNT.exe of the component ActiveFaxServiceNT Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

ActFax 10.10 contains an unquoted service path vulnerability that allows local attackers to potentially escalate privileges by exploiting the ActiveFaxServiceNT service configuration. Attackers with write permissions to Program Files directories can inject a malicious ActSrvNT.exe executable to gain elevated system access when the service restarts.

The weakness was released by Birkan Alhan as 51332. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2023-53954 since 12/19/2025. The exploitability is told to be difficult. Attacking locally is a requirement. Technical details and a public exploit are known. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.

The exploit is shared for download 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 Exploit-DB (51332) and EUVD (EUVD-2025-204605). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• ActFax

Version

• 10.10

CPE 2.3info

• 🔒

CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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