CVE-2020-37254
CWE-428Published: June 19, 2026· Updated: Jun 23, 2026
Official 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.
Technical Analysis
CVE-2020-37254 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-428)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-37254 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts