CVE-2008-3683

Unspecified vulnerability in the FTP subsystem in Sun Java System Web Proxy Server 4.0 through 4.0.5 before SP6 allows remote attackers to cause a denial of service (failure to accept connections) via unknown vectors, probably related to exhaustion of file descriptors.

Published: 2008-08-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-3683 is rated Moderate Risk (49.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.48%). 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-2008-3683

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 1.66% 2.48% +0.83%
2 2025-03-30 1.63% 1.66% +0.03%
3 2025-03-29 — 1.63% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-3683

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2008-3683

Affected software / configurations for CVE-2008-3683

Vendor Product Version Raw CPE
sun java_system_web_proxy_server 4 cpe:2.3:a:sun:java_system_web_proxy_server:4:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4 cpe:2.3:a:sun:java_system_web_proxy_server:4:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4 cpe:2.3:a:sun:java_system_web_proxy_server:4:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4 cpe:2.3:a:sun:java_system_web_proxy_server:4:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4 cpe:2.3:a:sun:java_system_web_proxy_server:4:sp5:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.1 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.1:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.1 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.1:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.1 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.1:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.1 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.1:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.1 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.1:sp5:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.2 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.2:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.2 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.2:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.2 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.2:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.2 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.2:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.2 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.2:sp5:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.3 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.3:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.3 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.3:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.3 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.3:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.3 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.3:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.3 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.3:sp5:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.4 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.4:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.4 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.4:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.4 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.4:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.4 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.4:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.4 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.4:sp5:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.5 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.5:sp1:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.5 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.5:sp2:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.5 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.5:sp3:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.5 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.5:sp4:*:*:*:*:*:*
sun java_system_web_proxy_server 4.0.5 cpe:2.3:a:sun:java_system_web_proxy_server:4.0.5:sp5:*:*:*:*:*:*

References for CVE-2008-3683

cvelogic Threat Intelligence