Unspecified vulnerability in the Mailbox Server for 4D WebStar before 5.3.5 allows attackers to cause a denial of service (crash) via IMAP clients on Mac OS X 10.4 Mail 2.
Conclusion & alert: CVE-2005-3143 is rated Moderate Risk (44.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.32%). 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 | 0.54% | 1.32% | +0.78% |
| 2 | 2025-03-30 | 0.61% | 0.54% | -0.06% |
| 3 | 2025-03-29 | — | 0.61% | — |
Full EPSS history (7 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 |
|---|---|---|---|
| 4d | webstar | 5.1.2 | cpe:2.3:a:4d:webstar:5.1.2:*:*:*:*:*:*:* |
| 4d | webstar | 5.1.3 | cpe:2.3:a:4d:webstar:5.1.3:*:*:*:*:*:*:* |
| 4d | webstar | 5.2 | cpe:2.3:a:4d:webstar:5.2:*:*:*:*:*:*:* |
| 4d | webstar | 5.2.1 | cpe:2.3:a:4d:webstar:5.2.1:*:*:*:*:*:*:* |
| 4d | webstar | 5.2.2 | cpe:2.3:a:4d:webstar:5.2.2:*:*:*:*:*:*:* |
| 4d | webstar | 5.2.3 | cpe:2.3:a:4d:webstar:5.2.3:*:*:*:*:*:*:* |
| 4d | webstar | 5.2.4 | cpe:2.3:a:4d:webstar:5.2.4:*:*:*:*:*:*:* |
| 4d | webstar | 5.3 | cpe:2.3:a:4d:webstar:5.3:*:*:*:*:*:*:* |
| 4d | webstar | 5.3.1 | cpe:2.3:a:4d:webstar:5.3.1:*:*:*:*:*:*:* |
| 4d | webstar | 5.3.2 | cpe:2.3:a:4d:webstar:5.3.2:*:*:*:*:*:*:* |
| 4d | webstar | 5.3.3 | cpe:2.3:a:4d:webstar:5.3.3:*:*:*:*:*:*:* |
| 4d | webstar | 5.3.4 | cpe:2.3:a:4d:webstar:5.3.4:*:*:*:*:*:*:* |