CVE-2002-2234

NetScreen ScreenOS before 4.0.1 allows remote attackers to bypass the Malicious-URL blocking feature by splitting the URL into fragmented IP requests.

Published: 2002-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2002-2234

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2234

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2002-2234

Affected software / configurations for CVE-2002-2234

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:*:*:*:*:*:*:*

References for CVE-2002-2234

cvelogic Threat Intelligence