Wibu Key Runtime 6.51 WkSvW32.exe unquoted search path

Summaryinfo

A vulnerability was found in Wibu Key Runtime 6.51. It has been declared as problematic. This affects an unknown function of the file C:\PROGRAM FILES (X86)\WibuKEY\SERVER\WkSvW32.exe. Executing a manipulation can lead to unquoted search path. This vulnerability is handled as CVE-2021-47810. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in Wibu Key Runtime 6.51 and classified as critical. This vulnerability affects some unknown processing of the file C:\PROGRAM FILES (X86)\WibuKEY\SERVER\WkSvW32.exe. The manipulation with an unknown input leads to a unquoted search path vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.

The weakness was released by Brian Rodriguez as 49999. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2021-47810 since 01/14/2026. The exploitation appears to be difficult. The attack needs to be approached locally. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.009.

It is possible to download the exploit 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 vulnerability database at Exploit-DB (49999). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Wibu

Name

• Key Runtime

Version

• 6.51

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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