The IMAP4 service in MERCUR Messaging 2005 before Service Pack 4 allows remote attackers to cause a denial of service (crash) via a message with a long subject field.
Conclusion & alert: CVE-2006-7039 is rated Moderate Risk (44.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.44%). 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 | 1.06% | 1.44% | +0.38% |
| 2 | 2026-03-19 | 1.02% | 1.06% | +0.04% |
| 3 | 2025-12-28 | — | 1.02% | — |
Full EPSS history (18 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 |
|---|---|---|---|
| atrium_software | mercur_messaging_2005 | 5.0_sp3 | cpe:2.3:a:atrium_software:mercur_messaging_2005:5.0_sp3:*:enterprise:*:*:*:*:* |
| atrium_software | mercur_messaging_2005 | 5.0_sp3 | cpe:2.3:a:atrium_software:mercur_messaging_2005:5.0_sp3:*:lite:*:*:*:*:* |
| atrium_software | mercur_messaging_2005 | 5.0_sp3 | cpe:2.3:a:atrium_software:mercur_messaging_2005:5.0_sp3:*:standard:*:*:*:*:* |