CVE-2006-3921

Sun Java System Application Server (SJSAS) 7 through 8.1 and Web Server (SJSWS) 6.0 and 6.1 allows remote authenticated users to read files outside of the "document root directory" via a direct request using a UTF-8 encoded URI.

Published: 2006-07-28 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-3921 is rated Moderate Risk (44.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.09%). Core evidence: EPSS rose +1.12% over the last day, indicating growing attacker interest. 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-2006-3921

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 0.98% 2.09% +1.12%
2 2025-08-21 0.75% 0.98% +0.23%
3 2025-03-30 0.75%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3921

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N 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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2006-3921

Affected software / configurations for CVE-2006-3921

Vendor Product Version Raw CPE
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:*:*:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:*:enterprise:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:*:platform:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:*:standard:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur1:enterprise:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur1:standard:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur2:enterprise:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur2:platform:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur2:standard:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur4:*:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur5:platform:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur5:standard:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur6:platform:*:*:*:*:*
sun java_system_application_server 7.0 cpe:2.3:a:sun:java_system_application_server:7.0:ur6:standard:*:*:*:*:*
sun java_system_application_server 7.1 cpe:2.3:a:sun:java_system_application_server:7.1:*:*:*:*:*:*:*
sun java_system_application_server 8.1 cpe:2.3:a:sun:java_system_application_server:8.1:*:enterprise:*:*:*:*:*
sun java_system_application_server 8.1 cpe:2.3:a:sun:java_system_application_server:8.1:*:platform:*:*:*:*:*
sun java_system_application_server 8.1 cpe:2.3:a:sun:java_system_application_server:8.1:ur1:platform:*:*:*:*:*
sun java_system_web_server 6.0 cpe:2.3:a:sun:java_system_web_server:6.0:*:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:*:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:sp1:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:sp2:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:sp3:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:sp4:*:*:*:*:*:*
sun java_system_web_server 6.1 cpe:2.3:a:sun:java_system_web_server:6.1:sp5:*:*:*:*:*:*

References for CVE-2006-3921

cvelogic Threat Intelligence