What’s Vulnerable › Vulnerabilities

CVE-2021-47866: WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-21 · updated 2026-06-17
• Weakness: CWE-428

Description

WIN-PACK PRO 4.8 contains an unquoted service path vulnerability in the GuardTourService that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in C:\Program Files <x86>\WINPAKPRO\WP GuardTour Service.exe to inject malicious code that would execute during service startup.

Affected products

• Honeywell WIN-PACK PRO: 4.8

References

• https://www.exploit-db.com/exploits/49690
• https://www.security.honeywell.com/product-repository/winpak
• https://www.vulncheck.com/advisories/win-pack-pro-guardtourservice-unquoted-service-path

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