Wondershare PDFelement 5.2.9 WsAppService Windows Service unquoted search path

Summaryinfo

A vulnerability marked as problematic has been reported in Wondershare PDFelement 5.2.9. This vulnerability affects unknown code of the component WsAppService Windows Service. This manipulation causes unquoted search path. This vulnerability is tracked as CVE-2020-37254. The attack is restricted to local execution. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in Wondershare PDFelement 5.2.9 and classified as critical. Affected by this vulnerability is an unknown code of the component WsAppService Windows Service. 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. The summary by CVE is:

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

The weakness was disclosed by Saeed Hasanzadeh as 40535. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2020-37254 since 06/19/2026. The exploitation appears to be difficult. An attack has to be approached locally. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1574.009 for this issue.

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 databases at Exploit-DB (40535) and EUVD (EUVD-2020-31255). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Wondershare

Name

• PDFelement

Version

• 5.2.9

CPE 2.3info

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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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