An issue was discovered in Linux Foundation xapi in Citrix XenServer through 7.0. An authenticated read-only administrator can cancel tasks of other administrators.
Conclusion & alert: CVE-2017-5573 is rated Moderate Risk (40.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.39%). 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 | 2025-03-17 | 0.07% | 0.39% | +0.32% |
| 2 | 2023-03-07 | 0.89% | 0.07% | -0.82% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 3.0 | MEDIUM |
|
1.2 | 3.6 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| citrix | xenserver | 6.0.2 | cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* |
| citrix | xenserver | 6.2.0 | cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* |
| citrix | xenserver | 6.5 | cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* |
| citrix | xenserver | 7.0 | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/95796 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037716 | |
| https://support.citrix.com/article/CTX220112 |