Multiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified vectors in Imailsec and (2) allow attackers to have an unknown impact via an unspecified vector related to "subscribe."
Conclusion & alert: CVE-2007-3927 is rated High Exploit Risk (92.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 72.29%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.70% 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 |
|---|---|---|---|---|
| 4228 | exploit_db | edb | 2007-07-26 | 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 | 2026-03-09 | 69.59% | 72.29% | +2.70% |
| 2 | 2026-01-15 | 71.12% | 69.59% | -1.53% |
| 3 | 2025-11-26 | — | 71.12% | — |
Full EPSS history (21 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ipswitch | imail_server | <= 2006.2 | cpe:2.3:a:ipswitch:imail_server:*:*:*:*:*:*:*:* |
| ipswitch | ipswitch_collaboration_suite | <= 2006.2 | cpe:2.3:a:ipswitch:ipswitch_collaboration_suite:*:*:*:*:*:*:*:* |