CVE-2004-1023

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.

Published: 2005-01-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2004-1023

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1023

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2004-1023

Affected software / configurations for CVE-2004-1023

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:*:*:*:*:*:*:*

References for CVE-2004-1023

cvelogic Threat Intelligence