American Power Conversion (APC) Web/SNMP Management SmartSlot Card 3.0 through 3.0.3 and 3.21 are shipped with a default password of TENmanUFactOryPOWER, which allows remote attackers to gain unauthorized access.
Conclusion & alert: CVE-2004-0311 is rated High Risk (68.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.54%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-12-09 | 1.28% | 1.54% | +0.26% |
| 2 | 2025-03-30 | 1.99% | 1.28% | -0.70% |
| 3 | 2025-03-29 | — | 1.99% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |