Privilege Escalation Vulnerability in Wondershare PDFelement
CVE-2020-37254

8.5HIGH

Key Information:

Vendor

Wondershare

Status
PDFelement
Vendor
CVE Published:
19 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37254?

Wondershare PDFelement 5.2.9 has a security flaw resulting from an unquoted service path in the WsAppService Windows service. This vulnerability enables local attackers to exploit the service path and insert a malicious executable. When the service restarts or the system reboots, the malicious code can execute with LocalSystem privileges, potentially compromising system security.

Affected Version(s)

PDFelement 5.2.9

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37254 - Proof of Concept

References

https://www.exploit-db.com/exploits/40535
exploit
https://www.wondershare.com/
product
http://download.wondershare.com/inst/pdfelement_setup_ful...
product

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Saeed Hasanzadeh (Net.Hun73r)
.