Unspecified vulnerability in HP Tru64 UNIX 5.1B PK2(BL22) and PK3(BL24), and 5.1A PK6(BL24), when using IPsec/IKE (Internet Key Exchange) with Certificates, allows remote attackers to gain privileges via unknown attack vectors.
Conclusion & alert: CVE-2004-2678 is rated Moderate Risk (43.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.20%). 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 | 2026-06-15 | 0.77% | 1.20% | +0.43% |
| 2 | 2025-10-16 | 0.63% | 0.77% | +0.14% |
| 3 | 2025-03-30 | — | 0.63% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |