Unspecified vulnerability in the web service in Sitecore CMS 5.3.1 rev. 071114 allows remote authenticated users to gain access to security databases, and obtain administrative and user credentials, via unknown vectors related to SOAP and XML requests.
Conclusion & alert: CVE-2009-1055 is rated Low Risk (38.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.15%). 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 | 2026-06-15 | 0.34% | 1.15% | +0.82% |
| 2 | 2025-03-30 | 0.37% | 0.34% | -0.03% |
| 3 | 2025-03-29 | — | 0.37% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |