Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 contains a Local Privilege Escalation Vulnerability which could allow local users with access to a guest operating system to gain elevated privileges.
Conclusion & alert: CVE-2012-4606 is rated Low Risk (32.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 2 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| citrix | xenserver | 4.1 | cpe:2.3:a:citrix:xenserver:4.1:*:*:*:*:*:*:* |
| citrix | xenserver | 5.0 | cpe:2.3:a:citrix:xenserver:5.0:*:*:*:*:*:*:* |
| citrix | xenserver | 5.0 | cpe:2.3:a:citrix:xenserver:5.0:update_3:*:*:*:*:*:* |
| citrix | xenserver | 5.5 | cpe:2.3:a:citrix:xenserver:5.5:*:*:*:*:*:*:* |
| citrix | xenserver | 5.6 | cpe:2.3:a:citrix:xenserver:5.6:*:*:*:*:*:*:* |
| citrix | xenserver | 5.6 | cpe:2.3:a:citrix:xenserver:5.6:common_criteria:*:*:*:*:*:* |
| citrix | xenserver | 5.6 | cpe:2.3:a:citrix:xenserver:5.6:fp1:*:*:*:*:*:* |
| citrix | xenserver | 5.6 | cpe:2.3:a:citrix:xenserver:5.6:sp2:*:*:*:*:*:* |
| citrix | xenserver | 6.0 | cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/55432 | Third Party Advisory VDB Entry |