Kaspersky Anti-Virus for Linux Mail Servers 5.5.10 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.
Conclusion & alert: CVE-2006-6408 is rated Moderate Risk (47.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.04%). 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 | 2026-07-08 | 1.94% | 2.04% | +0.10% |
| 2 | 2026-06-15 | 0.28% | 1.94% | +1.66% |
| 3 | 2026-06-06 | — | 0.28% | — |
Full EPSS history (14 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] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-6408: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-6408 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kaspersky_lab | kaspersky_anti-virus | 5.5.10 | cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:5.5.10:*:linux_mail_servers:*:*:*:*:* |