CVE-2020-37102CWE-428

Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path

High · published February 3, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
3.0
In the wild
Unconfirmed
What it is

⚡ An unquoted service path lets local attackers run arbitrary code! It's like a delivery service starting its route with an unverified address—no one checks where that package is going! Think of this vulnerability as a hotel employee who blindly takes anyone's word for it when they claim to have a reservation—no ID checked, just an open door to the penthouse suite! If exploited, a local attacker could infiltrate the system and execute any code they want, potentially taking full control with LocalSystem privileges. This could lead to a disastrous breach of sensitive data or total system compromise, turning your machine into a playground for cyber mischief!

Put simply

Think of this vulnerability as a hotel employee who blindly takes anyone's word for it when they claim to have a reservation—no ID checked, just an open door to the penthouse suite! The unquoted service path in Adaware Web Companion's WCAssistantService means that attackers can place a malicious executable in a specific location that gets triggered during the service startup, allowing them to run arbitrary code with elevated privileges.

What to do

If exploited, a local attacker could infiltrate the system and execute any code they want, potentially taking full control with LocalSystem privileges. This could lead to a disastrous breach of sensitive data or total system compromise, turning your machine into a playground for cyber mischief! Update to the latest version of Adaware Web Companion to close this vulnerability. Additionally, ensure that service paths are properly quoted to prevent unauthorized code execution in the future. Regular audits of service configurations can also help identify similar risks. You've got this! Patch those vulnerabilities and keep your system safe! 🛡️

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00139 · 3.0th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-02-03T14:49Z
EPSS history
Timeline
  • 03 FEB 14:49Z
    Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path
    cvelistv5