Kerio WinRoute Firewall before 6.2.1 allows remote attackers to cause a denial of service (application crash) via unknown vectors in the "email protocol inspectors," possibly (1) SMTP and (2) POP3.
Conclusion & alert: CVE-2006-2267 is rated Moderate Risk (51/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.90%). 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 | 2025-06-22 | 1.90% | 2.90% | +1.00% |
| 2 | 2025-03-30 | 1.79% | 1.90% | +0.11% |
| 3 | 2025-03-29 | — | 1.79% | — |
Full EPSS history (10 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] |
: This vulnerability is addressed in the following product release: Kerio, WinRoute Firewall, 6.2.1
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kerio | winroute_firewall | 5.0.1 | cpe:2.3:a:kerio:winroute_firewall:5.0.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.2 | cpe:2.3:a:kerio:winroute_firewall:5.0.2:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.3 | cpe:2.3:a:kerio:winroute_firewall:5.0.3:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.4 | cpe:2.3:a:kerio:winroute_firewall:5.0.4:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.5 | cpe:2.3:a:kerio:winroute_firewall:5.0.5:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.6 | cpe:2.3:a:kerio:winroute_firewall:5.0.6:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.7 | cpe:2.3:a:kerio:winroute_firewall:5.0.7:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.8 | cpe:2.3:a:kerio:winroute_firewall:5.0.8:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.0.9 | cpe:2.3:a:kerio:winroute_firewall:5.0.9:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1 | cpe:2.3:a:kerio:winroute_firewall:5.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.1 | cpe:2.3:a:kerio:winroute_firewall:5.1.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.2 | cpe:2.3:a:kerio:winroute_firewall:5.1.2:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.3 | cpe:2.3:a:kerio:winroute_firewall:5.1.3:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.4 | cpe:2.3:a:kerio:winroute_firewall:5.1.4:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.5 | cpe:2.3:a:kerio:winroute_firewall:5.1.5:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.6 | cpe:2.3:a:kerio:winroute_firewall:5.1.6:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.7 | cpe:2.3:a:kerio:winroute_firewall:5.1.7:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.8 | cpe:2.3:a:kerio:winroute_firewall:5.1.8:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.9 | cpe:2.3:a:kerio:winroute_firewall:5.1.9:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.1.10 | cpe:2.3:a:kerio:winroute_firewall:5.1.10:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 5.10 | cpe:2.3:a:kerio:winroute_firewall:5.10:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0 | cpe:2.3:a:kerio:winroute_firewall:6.0:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.0 | cpe:2.3:a:kerio:winroute_firewall:6.0.0:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.1 | cpe:2.3:a:kerio:winroute_firewall:6.0.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.2 | cpe:2.3:a:kerio:winroute_firewall:6.0.2:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.3 | cpe:2.3:a:kerio:winroute_firewall:6.0.3:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.4 | cpe:2.3:a:kerio:winroute_firewall:6.0.4:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.5 | cpe:2.3:a:kerio:winroute_firewall:6.0.5:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.6 | cpe:2.3:a:kerio:winroute_firewall:6.0.6:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.7 | cpe:2.3:a:kerio:winroute_firewall:6.0.7:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.8 | cpe:2.3:a:kerio:winroute_firewall:6.0.8:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.9 | cpe:2.3:a:kerio:winroute_firewall:6.0.9:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.10 | cpe:2.3:a:kerio:winroute_firewall:6.0.10:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.0.11 | cpe:2.3:a:kerio:winroute_firewall:6.0.11:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1 | cpe:2.3:a:kerio:winroute_firewall:6.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.0 | cpe:2.3:a:kerio:winroute_firewall:6.1.0:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.1 | cpe:2.3:a:kerio:winroute_firewall:6.1.1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.2 | cpe:2.3:a:kerio:winroute_firewall:6.1.2:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.3 | cpe:2.3:a:kerio:winroute_firewall:6.1.3:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.3_patch1 | cpe:2.3:a:kerio:winroute_firewall:6.1.3_patch1:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.4 | cpe:2.3:a:kerio:winroute_firewall:6.1.4:*:*:*:*:*:*:* |
| kerio | winroute_firewall | 6.1.4_patch_1 | cpe:2.3:a:kerio:winroute_firewall:6.1.4_patch_1:*:*:*:*:*:*:* |