Clearswift MAILsweeper before 4.3.15 does not properly detect and filter RAR 3.20 encoded files, which allows remote attackers to bypass intended policy.
Conclusion & alert: CVE-2003-0928 is rated Moderate Risk (55.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.44%). Core evidence: EPSS rose +1.12% over the last day, indicating growing attacker interest. 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 | 0.31% | 1.44% | +1.12% |
| 2 | 2025-03-17 | 0.69% | 0.31% | -0.38% |
| 3 | 2023-07-26 | — | 0.69% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| clearswift | mailsweeper | <= 4.3.15 | cpe:2.3:a:clearswift:mailsweeper:*:*:*:*:*:*:*:* |