CVE-2002-0234

NetScreen ScreenOS before 2.6.1 does not support a maximum number of concurrent sessions for a system, which allows an attacker on the trusted network to cause a denial of service (resource exhaustion) via a port scan to an external network, which consumes all available connections.

Published: 2002-05-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0234 is rated Low Risk (18.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.35%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-2002-0234

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 0.06% 0.35% +0.30%
2 2023-03-07 0.95% 0.06% -0.89%
3 2022-02-04 — 0.95% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0234

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2002-0234

Affected software / configurations for CVE-2002-0234

Vendor Product Version Raw CPE
juniper netscreen_screenos <= 2.6.1 cpe:2.3:o:juniper:netscreen_screenos:*:*:*:*:*:*:*:*

References for CVE-2002-0234

cvelogic Threat Intelligence