OKI Configuration Tool 1.6.53 Port Manager Service portmgrsrv.exe unquoted search path

Summaryinfo

A vulnerability marked as problematic has been reported in OKI Configuration Tool 1.6.53. This vulnerability affects unknown code of the file C:\Program Files\OKIdata\Common\extend3\portmgrsrv.exe of the component Port Manager Service. Performing a manipulation results in unquoted search path. This vulnerability was named CVE-2021-47884. The attack needs to be approached locally. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in OKI Configuration Tool 1.6.53. It has been classified as critical. This affects an unknown code of the file C:\Program Files\OKIdata\Common\extend3\portmgrsrv.exe of the component Port Manager 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:

OKI Configuration Tool 1.6.53 contains an unquoted service path vulnerability in the OKI Local Port Manager service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Okidata\Common\extend3\portmgrsrv.exe' to inject malicious executables and escalate privileges.

The weakness was presented by Brian Rodriguez as 49624. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-47884 since 01/18/2026. The exploitability is told to be difficult. An attack has to be approached locally. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1574.009 for this issue.

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 (49624) and EUVD (EUVD-2026-3646). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• OKI

Name

• Configuration Tool

Version

• 1.6.53

CPE 2.3info

• 🔒

CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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