VMware Horizon DaaS before 7.0.0 contains a vulnerability that exists due to insufficient validation of data. An attacker may exploit this issue by tricking DaaS client users into connecting to a malicious server and sharing all their drives and devices. Successful exploitation of this vulnerability requires a victim to download a specially crafted RDP file through DaaS client by clicking on a malicious link.
Conclusion & alert: CVE-2017-4897 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.15%). Core evidence: EPSS rose +1.04% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 0.11% | 1.15% | +1.04% |
| 2 | 2025-03-30 | 0.16% | 0.11% | -0.05% |
| 3 | 2025-03-29 | — | 0.16% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 7.1 | 2.0 | HIGH |
|
8.6 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vmware | horizon_daas | <= 6.1.6 | cpe:2.3:a:vmware:horizon_daas:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/96559 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037951 | |
| http://www.vmware.com/security/advisories/VMSA-2017-0002.html | Patch Vendor Advisory |