Vulnerability in Honeywell Win-Pack Pro
CVE-2021-47866
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Honeywell Win-Pack Pro — versions 4.8
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49690 (exploit)
- www.security.honeywell.com/product-repository/winpak (product)
- www.vulncheck.com/advisories/win-pack-pro-guardtourservice-unquoted-service-path (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47866?
- CVE-2021-47866 is a high-severity vulnerability in Honeywell Win-Pack Pro, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.
- How severe is CVE-2021-47866?
- High severity. CVSS v3 base score is 7.8 out of 10.