The pop3 Proxy in Astaro Security Gateway (ASG) 7 does not perform virus scanning of attachments that exceed the maximum attachment size, and passes these attachments, which allows remote attackers to bypass this scanning via a large attachment.
Conclusion & alert: CVE-2007-4242 is rated Moderate Risk (46.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.54%). Core evidence: EPSS rose +1.15% 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 | 0.40% | 1.54% | +1.15% |
| 2 | 2026-03-27 | 0.28% | 0.40% | +0.12% |
| 3 | 2026-02-06 | — | 0.28% | — |
Full EPSS history (17 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 |
|---|---|---|---|
| astaro | security_gateway | 7.0 | cpe:2.3:h:astaro:security_gateway:7.0:*:*:*:*:*:*:* |