NetScreen ScreenOS before 4.0.1 allows remote attackers to bypass the Malicious-URL blocking feature by splitting the URL into fragmented IP requests.
Conclusion & alert: CVE-2002-2234 is rated Moderate Risk (42.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.50%). 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 | 1.22% | 1.50% | +0.28% |
| 2 | 2026-06-02 | 0.64% | 1.22% | +0.58% |
| 3 | 2025-12-29 | — | 0.64% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netscreen | screenos | 2.7.1 | cpe:2.3:a:netscreen:screenos:2.7.1:*:*:*:*:*:*:* |
| netscreen | screenos | 2.8 | cpe:2.3:a:netscreen:screenos:2.8:*:*:*:*:*:*:* |
| netscreen | screenos | 3.0 | cpe:2.3:a:netscreen:screenos:3.0:*:*:*:*:*:*:* |
| netscreen | screenos | 3.1 | cpe:2.3:a:netscreen:screenos:3.1:*:*:*:*:*:*:* |
| netscreen | screenos | 4.0 | cpe:2.3:a:netscreen:screenos:4.0:*:*:*:*:*:*:* |