VMware Horizon View Client (2.x, 3.x and 4.x prior to 4.5.0) contains a command injection vulnerability in the service startup script. Successful exploitation of this issue may allow unprivileged users to escalate their privileges to root on the Mac OSX system where the client is installed.
Conclusion & alert: CVE-2017-4918 is rated High Risk (72.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.86%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.85% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.01% | 4.86% | +1.85% |
| 2 | 2025-11-21 | 3.39% | 3.01% | -0.38% |
| 3 | 2025-11-18 | — | 3.39% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vmware | horizon_view | 2.0 | cpe:2.3:a:vmware:horizon_view:2.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 2.1 | cpe:2.3:a:vmware:horizon_view:2.1:*:*:*:*:*:*:* |
| vmware | horizon_view | 2.2 | cpe:2.3:a:vmware:horizon_view:2.2:*:*:*:*:*:*:* |
| vmware | horizon_view | 2.3 | cpe:2.3:a:vmware:horizon_view:2.3:*:*:*:*:*:*:* |
| vmware | horizon_view | 3.0 | cpe:2.3:a:vmware:horizon_view:3.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 3.1 | cpe:2.3:a:vmware:horizon_view:3.1:*:*:*:*:*:*:* |
| vmware | horizon_view | 3.2 | cpe:2.3:a:vmware:horizon_view:3.2:*:*:*:*:*:*:* |
| vmware | horizon_view | 3.3 | cpe:2.3:a:vmware:horizon_view:3.3:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.0.0 | cpe:2.3:a:vmware:horizon_view:4.0.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.0.1 | cpe:2.3:a:vmware:horizon_view:4.0.1:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.1.0 | cpe:2.3:a:vmware:horizon_view:4.1.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.2.0 | cpe:2.3:a:vmware:horizon_view:4.2.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.3.0 | cpe:2.3:a:vmware:horizon_view:4.3.0:*:*:*:*:*:*:* |
| vmware | horizon_view | 4.4.0 | cpe:2.3:a:vmware:horizon_view:4.4.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/98984 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1038642 | |
| https://www.vmware.com/security/advisories/VMSA-2017-0011.html | Vendor Advisory |