Exploitation of Authentication vulnerability in the web interface in McAfee Advanced Threat Defense (ATD) 3.10, 3.8, 3.6, 3.4 allows remote unauthenticated users / remote attackers to bypass ATD detection via loose enforcement of authentication and authorization.
Conclusion & alert: CVE-2017-4055 is rated Moderate Risk (53.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.24%). 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 | 0.87% | 1.24% | +0.38% |
| 2 | 2026-05-07 | 0.64% | 0.87% | +0.23% |
| 3 | 2025-05-10 | — | 0.64% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mcafee | advanced_threat_defense | 3.4 | cpe:2.3:a:mcafee:advanced_threat_defense:3.4:*:*:*:*:*:*:* |
| mcafee | advanced_threat_defense | 3.6 | cpe:2.3:a:mcafee:advanced_threat_defense:3.6:*:*:*:*:*:*:* |
| mcafee | advanced_threat_defense | 3.8 | cpe:2.3:a:mcafee:advanced_threat_defense:3.8:*:*:*:*:*:*:* |
| mcafee | advanced_threat_defense | 3.10 | cpe:2.3:a:mcafee:advanced_threat_defense:3.10:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/99564 | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10204 | Patch Vendor Advisory |