Multiple unspecified vulnerabilities in Astaro Security Gateway (ASG) before 7.005 allow remote attackers to cause a denial of service via (1) certain email, which stops the SMTP Proxy during scanning; (2) certain HTTP traffic, which stops or slows down the HTTP proxy during HTTP responses containing virus scanned web pages; and (3) a disconnection during a streaming session.
Conclusion & alert: CVE-2007-3253 is rated Moderate Risk (62.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.94%). Core evidence: EPSS rose +1.00% 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 | 1.94% | 2.94% | +1.00% |
| 2 | 2025-08-13 | 1.74% | 1.94% | +0.20% |
| 3 | 2025-03-30 | — | 1.74% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| astaro | security_gateway | 7.0 | cpe:2.3:h:astaro:security_gateway:7.0:*:*:*:*:*:*:* |