McAfee Network Agent (mcnasvc.exe) 1.0.178.0, as used by multiple McAfee products possibly including Internet Security Suite, Personal Firewall Plus, and VirusScan, allows remote attackers to cause a denial of service (agent crash) via a long packet, possibly because of an invalid string position field value. NOTE: some of these details are obtained from third party information.
Conclusion & alert: CVE-2006-5417 is rated Moderate Risk (46.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.76%). 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 | 2026-06-15 | 1.27% | 1.76% | +0.49% |
| 2 | 2025-11-13 | 1.18% | 1.27% | +0.10% |
| 3 | 2025-03-17 | — | 1.18% | — |
Full EPSS history (12 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-2006-5417: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-5417 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mcafee | internet_security_suite | — | cpe:2.3:a:mcafee:internet_security_suite:*:*:*:*:*:*:*:* |
| mcafee | network_agent | 1.0.178.0 | cpe:2.3:a:mcafee:network_agent:1.0.178.0:*:*:*:*:*:*:* |
| mcafee | personal_firewall_plus | — | cpe:2.3:a:mcafee:personal_firewall_plus:*:*:*:*:*:*:*:* |
| mcafee | virusscan | — | cpe:2.3:a:mcafee:virusscan:*:*:*:*:*:*:*:* |