CVE-2021-47866CWE-428

WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path

High · published January 21, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
3.9
In the wild
Unconfirmed
What it is

⚡ A local user can exploit a sneaky unquoted service path vulnerability in WIN-PACK PRO 4.8 that lets them execute code with elevated privileges! Think of it like a restaurant that never checks if the delivery order had a mix-up. If a malicious actor knows the service path, they can drop in their own ingredients and the kitchen will cook them up without a second thought! If an attacker gets hold of this, they could run malicious code with full system rights, allowing them to steal sensitive data, install malware, or even control the system remotely – it’s like handing over the master key to your entire operation! 🔑

Put simply

Think of it like a restaurant that never checks if the delivery order had a mix-up. If a malicious actor knows the service path, they can drop in their own ingredients and the kitchen will cook them up without a second thought! This vulnerability arises because the service executable path is unquoted, allowing an attacker to inject code into the service startup sequence by placing an executable with a crafted name in the file path.

What to do

If an attacker gets hold of this, they could run malicious code with full system rights, allowing them to steal sensitive data, install malware, or even control the system remotely – it’s like handing over the master key to your entire operation! 🔑 To safeguard against this issue, update WIN-PACK PRO to the latest version where this vulnerability is patched. Additionally, ensure that service paths are enclosed in quotes to prevent similar exploits in the future. Regularly audit your system settings! You've got this! By following these steps, you can keep your systems safe and sound. 🛡️

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
0.00151 · 3.9th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-01-21T17:27Z
EPSS history
Timeline
  • 21 JAN 17:27Z
    WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path
    cvelistv5