The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0, Presentation Server 4.0, and Access Essentials 1.0 and 1.5, allows remote attackers to bypass network security policies and connect to arbitrary TCP ports via a modified address:port string.
結論預警: CVE-2007-2850 綜合評估為高風險（69/100）：CVSS 技術影響為嚴重級，利用機率（EPSS 2.82%） 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.48% | 2.82% | -0.67% |
| 2 | 2026-01-10 | 1.85% | 3.48% | +1.63% |
| 3 | 2025-08-08 | — | 1.85% | — |
完整 EPSS 歷史 （共 15 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
: The vendor has addressed this issue with the following product updates: MetaFrame Presentation Server 3.0 for Windows 2000 Server: EN - http://support.citrix.com/article/CTX112818 FR - http://support.citrix.com/article/CTX112821 DE - http://support.citrix.com/article/CTX112819 JA - http://support.citrix.com/article/CTX112820 ES - http://support.citrix.com/article/CTX112822 MetaFrame Presentation Server 3.0 for Windows Server 2003: EN - http://support.citrix.com/article/CTX112813 FR - http://support.citrix.com/article/CTX112816 DE - http://support.citrix.com/article/CTX112814 JA - http://support.citrix.com/article/CTX112815 ES - http://support.citrix.com/article/CTX112817 Citrix Presentation Server 4.0 for Windows 2000 Server: EN - http://support.citrix.com/article/CTX112844 FR - http://support.citrix.com/article/CTX112847 DE - http://support.citrix.com/article/CTX112845 JA - http://support.citrix.com/article/CTX112848 ES - http://support.citrix.com/article/CTX112846 Citrix Presentation Server 4.0 for Windows Server 2003: EN - http://support.citrix.com/article/CTX112839 FR - http://support.citrix.com/article/CTX112842 DE - http://support.citrix.com/article/CTX112840 JA - http://support.citrix.com/article/CTX112843 ES - http://support.citrix.com/article/CTX112841 Citrix Presentation Server 4.0 for Windows Server 2003 x64 Editions: EN - http://support.citrix.com/article/CTX112886 FR - http://support.citrix.com/article/CTX112887 DE - http://support.citrix.com/article/CTX112888 JA - http://support.citrix.com/article/CTX112890 ES - http://support.citrix.com/article/CTX112889 Citrix Access Essentials 1.0: EN - http://support.citrix.com/article/CTX112839 FR - http://support.citrix.com/article/CTX112842 DE - http://support.citrix.com/article/CTX112840 ES - http://support.citrix.com/article/CTX112841 Citrix Access Essentials 1.5: EN - http://support.citrix.com/article/CTX112839 FR - http://support.citrix.com/article/CTX112842 DE - http://support.citrix.com/article/CTX112840 ES - http://support.citrix.com/article/CTX112841
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| citrix | access_essentials | 1.0 | cpe:2.3:a:citrix:access_essentials:1.0:*:*:*:*:*:*:* |
| citrix | access_essentials | 1.5 | cpe:2.3:a:citrix:access_essentials:1.5:*:*:*:*:*:*:* |
| citrix | metaframe | 3.0 | cpe:2.3:a:citrix:metaframe:3.0:*:microsoft_windows_2000:*:*:*:*:* |
| citrix | metaframe | 3.0 | cpe:2.3:a:citrix:metaframe:3.0:*:microsoft_windows_2003:*:*:*:*:* |
| citrix | metaframe | 3.0 | cpe:2.3:a:citrix:metaframe:3.0:*:x64_edition:*:*:*:*:* |
| citrix | metaframe | 4.0 | cpe:2.3:a:citrix:metaframe:4.0:*:microsoft_windows_2000:*:*:*:*:* |
| citrix | metaframe | 4.0 | cpe:2.3:a:citrix:metaframe:4.0:*:microsoft_windows_2003:*:*:*:*:* |
| citrix | metaframe | 4.0 | cpe:2.3:a:citrix:metaframe:4.0:*:x64_edition:*:*:*:*:* |