Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in HP HP-UX B.11.00, B.11.11, and B.11.23 running IPSec, HP Jetdirect 635n IPv6/IPsec Print Server, and HP Tru64 UNIX 5.1B-3 and 5.1B-2/PK4, allow remote attackers to cause a denial of service via certain IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the HP advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.
Conclusion & alert: CVE-2005-3670 is rated High Exploit Risk (84.7/100): CVSS High severity, with high exploitation likelihood (EPSS 25.26%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +12.84% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-03-30 | 12.42% | 25.26% | +12.84% |
| 2 | 2025-03-29 | 25.26% | 12.42% | -12.84% |
| 3 | 2025-03-19 | — | 25.26% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | jetdirect_635n | — | cpe:2.3:h:hp:jetdirect_635n:*:*:*:*:*:*:*:* |
| hp | hp-ux | 11.00 | cpe:2.3:o:hp:hp-ux:11.00:*:*:*:*:*:*:* |
| hp | hp-ux | 11.11 | cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:* |
| hp | hp-ux | 11.23 | cpe:2.3:o:hp:hp-ux:11.23:*:ia64_64-bit:*:*:*:*:* |
| hp | tru64 | 5.1b1 | cpe:2.3:o:hp:tru64:5.1b1:pk4:*:*:*:*:*:* |
| hp | tru64 | 5.1b3 | cpe:2.3:o:hp:tru64:5.1b3:*:*:*:*:*:*:* |