CVE-2020-37254 - CVE House

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Status published High CVE-2020-37254

Wondershare PDFelement 5.2.9 Privilege Escalation via Unquoted Service Path

8.5 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Saeed Hasanzadeh (Net.Hun73r)

References

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Affected Vendor

Wondershare

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Affected Software

PDFelement

Vulnerable Versions:

5.2.9

Timeline

Official Publish: June 19th, 2026

Last Modified: July 15th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1036 Masquerading

Defense Evasion

T1543 Create or Modify System Process

T1059 Command and Scripting Interpreter

T1569 System Services