Mail server in Gattaca Server 2003 1.1.10.0 allows remote attackers to perform a denial of service (application crash) via a large number of connections to TCP port (1) 25 (SMTP) or (2) 110 (POP).
Conclusion & alert: CVE-2004-2521 is rated Moderate Risk (47.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.27%). 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 | 1.54% | 1.27% | -0.26% |
| 2 | 2024-10-01 | 2.15% | 1.54% | -0.61% |
| 3 | 2023-03-07 | — | 2.15% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| geeos_team | gattaca_server_2003 | 1.1.10.0 | cpe:2.3:o:geeos_team:gattaca_server_2003:1.1.10.0:*:*:*:*:*:*:* |