Citrix Studio before 7.6.1000, Citrix XenDesktop 7.x before 7.6 LTSR Cumulative Update 1 (CU1), and Citrix XenApp 7.5 and 7.6 allow attackers to set Access Policy rules on the XenDesktop Delivery Controller via unspecified vectors.
Conclusion & alert: CVE-2016-4810 is rated Moderate Risk (44.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.22%). 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 | 2025-03-30 | 0.26% | 0.22% | -0.04% |
| 2 | 2025-03-29 | 0.22% | 0.26% | +0.04% |
| 3 | 2025-03-17 | — | 0.22% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| citrix | xenapp | 7.5 | cpe:2.3:a:citrix:xenapp:7.5:*:*:*:*:*:*:* |
| citrix | xenapp | 7.6 | cpe:2.3:a:citrix:xenapp:7.6:*:*:*:*:*:*:* |
| citrix | xendesktop | 7.0 | cpe:2.3:a:citrix:xendesktop:7.0:*:*:*:*:*:*:* |
| citrix | xendesktop | 7.1 | cpe:2.3:a:citrix:xendesktop:7.1:*:*:*:*:*:*:* |
| citrix | xendesktop | 7.5 | cpe:2.3:a:citrix:xendesktop:7.5:*:*:*:*:*:*:* |
| citrix | xendesktop | 7.6 | cpe:2.3:a:citrix:xendesktop:7.6:*:*:*:*:*:*:* |
| citrix | xendesktop | 7.6 | cpe:2.3:a:citrix:xendesktop:7.6:fp1:*:*:*:*:*:* |
| citrix | xendesktop | 7.6 | cpe:2.3:a:citrix:xendesktop:7.6:fp2:*:*:*:*:*:* |
| citrix | xendesktop | 7.6 | cpe:2.3:a:citrix:xendesktop:7.6:fp3:*:*:*:*:*:* |
| citrix | xendesktop | 7.6 | cpe:2.3:a:citrix:xendesktop:7.6:ltsr:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://support.citrix.com/article/CTX213045 | Vendor Advisory |
| http://www.securitytracker.com/id/1036021 |