The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote attackers to cause a denial of service (CPU consumption) via certain attacks that force the product to "compute unexpected conditions" and "perform cryptographic operations."
Why it matters now
EPSS 0.01574 75th 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 · 25
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:kerio_mailserver:6.0:*:*:*:*:*:*:* | 6.0 | 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:kerio_mailserver:6.0.5:*:*:*:*:*:*:* | 6.0.5 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* | 4.0.6 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* | 4.0.7 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* | 4.0.8 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* | 4.0.9 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:kerio_mailserver:6.0:*:*:*:*:*:*:* Versions 6.0 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:kerio_mailserver:6.0.5:*:*:*:*:*:*:* Versions 6.0.5 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* Versions 4.0.8 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·Kerio
Show 15 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* | 4.0.10 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* | 4.0.16 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1.1:*:*:*:*:*:*:* | 4.1.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1.2:*:*:*:*:*:*:* | 4.1.2 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:winroute_firewall:6.0:*:*:*:*:*:*:* | 6.0 | 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: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:6.0.9:*:*:*:*:*:*:* | 6.0.9 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* Versions 4.0.10 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* Versions 4.0.16 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Kerio
- cpe:2.3:a:kerio:winroute_firewall:6.0:*:*:*:*:*:*:* Versions 6.0 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
- 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
- cpe:2.3:a:kerio:winroute_firewall:6.0.9:*:*:*:*:*:*:* Versions 6.0.9 Vulnerable ·Kerio
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-1063
- 2026-10-03 Alias added: GHSA-2hr3-rh39-x685
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-2005-1063 · CVE Program
- CVE-2005-1063 · NVD
- FIRST EPSS
- GHSA-2hr3-rh39-x685 · 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