Kerio Winroute Firewall before 6.0.9, ServerFirewall before 1.0.1, and MailServer before…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00287 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:kerio_mailserver:6.0.0:*:*:*:*:*:*:* | 6.0.0 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:kerio_mailserver:6.0.1:*:*:*:*:*:*:* | 6.0.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:kerio_mailserver:6.0.2:*:*:*:*:*:*:* | 6.0.2 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:kerio_mailserver:6.0.3:*:*:*:*:*:*:* | 6.0.3 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:kerio_mailserver:6.0.4:*:*:*:*:*:*:* | 6.0.4 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:serverfirewall:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.0:*:*:*:*:*:*:* | 6.0.0 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.1:*:*:*:*:*:*:* | 6.0.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.2:*:*:*:*:*:*:* | 6.0.2 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.3:*:*:*:*:*:*:* | 6.0.3 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:kerio_mailserver:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Kerio
- cpe:2.3:a:kerio:kerio_mailserver:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:kerio_mailserver:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Kerio
- cpe:2.3:a:kerio:kerio_mailserver:6.0.3:*:*:*:*:*:*:* Versions 6.0.3 Vulnerable ·Kerio
- cpe:2.3:a:kerio:kerio_mailserver:6.0.4:*:*:*:*:*:*:* Versions 6.0.4 Vulnerable ·Kerio
- cpe:2.3:a:kerio:serverfirewall:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.3:*:*:*:*:*:*:* Versions 6.0.3 Vulnerable ·Kerio
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:winroute_firewall:6.0.4:*:*:*:*:*:*:* | 6.0.4 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.5:*:*:*:*:*:*:* | 6.0.5 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.6:*:*:*:*:*:*:* | 6.0.6 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.7:*:*:*:*:*:*:* | 6.0.7 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0.8:*:*:*:*:*:*:* | 6.0.8 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:winroute_firewall:6.0.4:*:*:*:*:*:*:* Versions 6.0.4 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.5:*:*:*:*:*:*:* Versions 6.0.5 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.6:*:*:*:*:*:*:* Versions 6.0.6 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.7:*:*:*:*:*:*:* Versions 6.0.7 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0.8:*:*:*:*:*:*:* Versions 6.0.8 Vulnerable ·Kerio
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1023
- 2026-10-03 Alias added: GHSA-phr7-6xmx-pr2p
References
More Kerio Mailserver vulnerabilities
- TI-2008-00826 Unspecified vulnerability in the AVG plugin in Kerio MailServer before 6.5.0 has… CVSS 2.0HIGH 10.0
- TI-2007-03870 Unspecified vulnerability in the attachment filter in Kerio MailServer before 6.4.1 has… CVSS 2.0HIGH 10.0
- TI-2004-02311 Unspecified vulnerability in Kerio MailServer before 6.0.3 has unknown impact and unknown… CVSS 2.0HIGH 10.0
- TI-2003-00458 Multiple buffer overflows in Kerio MailServer 5.6.3 allow remote authenticated users to… CVSS 2.0HIGH 7.5
- TI-2008-00824 Buffer overflow in the Visnetic anti-virus plugin in Kerio MailServer before 6.5.0 might… CVSS 2.0HIGH 7.5
- TI-2006-01125 Kerio MailServer before 6.1.3 Patch 1 allows remote attackers to cause a denial of… CVSS 2.0HIGH 7.8
Sources
- CVE-2004-1023 · CVE Program
- CVE-2004-1023 · NVD
- FIRST EPSS
- GHSA-phr7-6xmx-pr2p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences