What’s Vulnerable › Vulnerabilities

CVE-2021-47867: WIN-PACK PRO 4.8 - 'ScheduleService' 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 PRO4.8 contains an unquoted service path vulnerability in the ScheduleService that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in 'C:\Program Files <x86>\WINPAKPRO\ScheduleService Service.exe' to inject malicious code that would execute during service startup.

Affected products

• Security Winpakpro: 4.8

References

• https://www.exploit-db.com/exploits/49691
• https://www.security.honeywell.com/product-repository/winpak
• https://www.vulncheck.com/advisories/win-pack-pro-scheduleservice-unquoted-service-path

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