SMTP service in MailEnable Standard, Professional, and Enterprise before ME-10014 (20060904) allows remote attackers to cause a denial of service via an SPF lookup for a domain with a large number of records, which triggers a null pointer exception.
Conclusion & alert: CVE-2006-4616 is rated Moderate Risk (51.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.98%). 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 | 2025-10-01 | 4.80% | 4.98% | +0.18% |
| 2 | 2025-04-26 | 5.03% | 4.80% | -0.23% |
| 3 | 2025-03-30 | — | 5.03% | — |
Full EPSS history (13 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 |
|---|---|---|---|
| mailenable | mailenable_enterprise | — | cpe:2.3:a:mailenable:mailenable_enterprise:*:*:*:*:*:*:*:* |
| mailenable | mailenable_professional | — | cpe:2.3:a:mailenable:mailenable_professional:*:*:*:*:*:*:*:* |
| mailenable | mailenable_standard | — | cpe:2.3:a:mailenable:mailenable_standard:*:*:*:*:*:*:*:* |