Kerio Winroute Firewall before 6.0.9, ServerFirewall before 1.0.1, and MailServer before 6.0.5, when installed on Windows based systems, do not modify the ACLs for critical files, which allows local users with Power Users privileges to modify programs, install malicious DLLs in the plug-ins folder, and modify XML files related to configuration.
Conclusion & alert: CVE-2004-1023 is rated Low Risk (14.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kerio | kerio_mailserver | 6.0.0 | cpe:2.3:a:kerio:kerio_mailserver:6.0.0:*:*:*:*:*:*:* |
| kerio | kerio_mailserver | 6.0.1 | cpe:2.3:a:kerio:kerio_mailserver:6.0.1:*:*:*:*:*:*:* |
| kerio | kerio_mailserver | 6.0.2 | cpe:2.3:a:kerio:kerio_mailserver:6.0.2:*:*:*:*:*:*:* |
| kerio | kerio_mailserver | 6.0.3 | cpe:2.3:a:kerio:kerio_mailserver:6.0.3:*:*:*:*:*:*:* |
| kerio | kerio_mailserver | 6.0.4 | cpe:2.3:a:kerio:kerio_mailserver:6.0.4:*:*:*:*:*:*:* |
| kerio | serverfirewall | 1.0.0 | cpe:2.3:a:kerio:serverfirewall:1.0.0:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |