CVE-2004-1029

Exp

The Sun Java Plugin capability in Java 2 Runtime Environment (JRE) 1.4.2_01, 1.4.2_04, and possibly earlier versions, does not properly restrict access between Javascript and Java applets during data transfer, which allows remote attackers to load unsafe classes and execute arbitrary code by using the reflection API to access private Java packages.

Published: 2005-03-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1029 is rated High Exploit Risk (81.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 37.03%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-1029

EDB-ID Source Kind Published Link
24763 exploit_db edb 2004-11-22 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1029

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 2026-01-24 42.56% 37.03% -5.53%
2 2025-05-14 35.39% 42.56% +7.17%
3 2025-03-30 35.39%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1029

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2004-1029

Affected software / configurations for CVE-2004-1029

Vendor Product Version Raw CPE
hp java_sdk-rte 1.3 cpe:2.3:a:hp:java_sdk-rte:1.3:*:hp-ux_pa-risc:*:*:*:*:*
hp java_sdk-rte 1.4 cpe:2.3:a:hp:java_sdk-rte:1.4:*:hp-ux_pa-risc:*:*:*:*:*
sun jdk 1.3.1_01 cpe:2.3:a:sun:jdk:1.3.1_01:*:linux:*:*:*:*:*
sun jdk 1.3.1_01 cpe:2.3:a:sun:jdk:1.3.1_01:*:solaris:*:*:*:*:*
sun jdk 1.3.1_01a cpe:2.3:a:sun:jdk:1.3.1_01a:*:windows:*:*:*:*:*
sun jdk 1.3.1_02 cpe:2.3:a:sun:jdk:1.3.1_02:*:linux:*:*:*:*:*
sun jdk 1.3.1_02 cpe:2.3:a:sun:jdk:1.3.1_02:*:solaris:*:*:*:*:*
sun jdk 1.3.1_02 cpe:2.3:a:sun:jdk:1.3.1_02:*:windows:*:*:*:*:*
sun jdk 1.3.1_03 cpe:2.3:a:sun:jdk:1.3.1_03:*:linux:*:*:*:*:*
sun jdk 1.3.1_03 cpe:2.3:a:sun:jdk:1.3.1_03:*:solaris:*:*:*:*:*
sun jdk 1.3.1_03 cpe:2.3:a:sun:jdk:1.3.1_03:*:windows:*:*:*:*:*
sun jdk 1.3.1_04 cpe:2.3:a:sun:jdk:1.3.1_04:*:windows:*:*:*:*:*
sun jdk 1.3.1_05 cpe:2.3:a:sun:jdk:1.3.1_05:*:linux:*:*:*:*:*
sun jdk 1.3.1_05 cpe:2.3:a:sun:jdk:1.3.1_05:*:solaris:*:*:*:*:*
sun jdk 1.3.1_05 cpe:2.3:a:sun:jdk:1.3.1_05:*:windows:*:*:*:*:*
sun jdk 1.3.1_06 cpe:2.3:a:sun:jdk:1.3.1_06:*:linux:*:*:*:*:*
sun jdk 1.3.1_06 cpe:2.3:a:sun:jdk:1.3.1_06:*:solaris:*:*:*:*:*
sun jdk 1.3.1_06 cpe:2.3:a:sun:jdk:1.3.1_06:*:windows:*:*:*:*:*
sun jdk 1.3.1_07 cpe:2.3:a:sun:jdk:1.3.1_07:*:linux:*:*:*:*:*
sun jdk 1.3.1_07 cpe:2.3:a:sun:jdk:1.3.1_07:*:solaris:*:*:*:*:*
sun jdk 1.3.1_07 cpe:2.3:a:sun:jdk:1.3.1_07:*:windows:*:*:*:*:*
sun jdk 1.4 cpe:2.3:a:sun:jdk:1.4:*:linux:*:*:*:*:*
sun jdk 1.4 cpe:2.3:a:sun:jdk:1.4:*:solaris:*:*:*:*:*
sun jdk 1.4 cpe:2.3:a:sun:jdk:1.4:*:windows:*:*:*:*:*
sun jdk 1.4.0_01 cpe:2.3:a:sun:jdk:1.4.0_01:*:windows:*:*:*:*:*
sun jdk 1.4.0_02 cpe:2.3:a:sun:jdk:1.4.0_02:*:linux:*:*:*:*:*
sun jdk 1.4.0_02 cpe:2.3:a:sun:jdk:1.4.0_02:*:solaris:*:*:*:*:*
sun jdk 1.4.0_02 cpe:2.3:a:sun:jdk:1.4.0_02:*:windows:*:*:*:*:*
sun jdk 1.4.0_03 cpe:2.3:a:sun:jdk:1.4.0_03:*:linux:*:*:*:*:*
sun jdk 1.4.0_03 cpe:2.3:a:sun:jdk:1.4.0_03:*:solaris:*:*:*:*:*
sun jdk 1.4.0_03 cpe:2.3:a:sun:jdk:1.4.0_03:*:windows:*:*:*:*:*
sun jdk 1.4.0_4 cpe:2.3:a:sun:jdk:1.4.0_4:*:linux:*:*:*:*:*
sun jdk 1.4.0_4 cpe:2.3:a:sun:jdk:1.4.0_4:*:solaris:*:*:*:*:*
sun jdk 1.4.0_4 cpe:2.3:a:sun:jdk:1.4.0_4:*:windows:*:*:*:*:*
sun jdk 1.4.1 cpe:2.3:a:sun:jdk:1.4.1:*:linux:*:*:*:*:*
sun jdk 1.4.1 cpe:2.3:a:sun:jdk:1.4.1:*:solaris:*:*:*:*:*
sun jdk 1.4.1 cpe:2.3:a:sun:jdk:1.4.1:*:windows:*:*:*:*:*
sun jdk 1.4.1_01 cpe:2.3:a:sun:jdk:1.4.1_01:*:linux:*:*:*:*:*
sun jdk 1.4.1_01 cpe:2.3:a:sun:jdk:1.4.1_01:*:solaris:*:*:*:*:*
sun jdk 1.4.1_01 cpe:2.3:a:sun:jdk:1.4.1_01:*:windows:*:*:*:*:*
sun jdk 1.4.1_02 cpe:2.3:a:sun:jdk:1.4.1_02:*:linux:*:*:*:*:*
sun jdk 1.4.1_02 cpe:2.3:a:sun:jdk:1.4.1_02:*:solaris:*:*:*:*:*
sun jdk 1.4.1_02 cpe:2.3:a:sun:jdk:1.4.1_02:*:windows:*:*:*:*:*
sun jdk 1.4.1_03 cpe:2.3:a:sun:jdk:1.4.1_03:*:linux:*:*:*:*:*
sun jdk 1.4.1_03 cpe:2.3:a:sun:jdk:1.4.1_03:*:solaris:*:*:*:*:*
sun jdk 1.4.1_03 cpe:2.3:a:sun:jdk:1.4.1_03:*:windows:*:*:*:*:*
sun jdk 1.4.2 cpe:2.3:a:sun:jdk:1.4.2:*:linux:*:*:*:*:*
sun jdk 1.4.2 cpe:2.3:a:sun:jdk:1.4.2:*:solaris:*:*:*:*:*
sun jdk 1.4.2 cpe:2.3:a:sun:jdk:1.4.2:*:windows:*:*:*:*:*
sun jdk 1.4.2_01 cpe:2.3:a:sun:jdk:1.4.2_01:*:linux:*:*:*:*:*
sun jdk 1.4.2_02 cpe:2.3:a:sun:jdk:1.4.2_02:*:linux:*:*:*:*:*
sun jdk 1.4.2_03 cpe:2.3:a:sun:jdk:1.4.2_03:*:linux:*:*:*:*:*
sun jdk 1.4.2_03 cpe:2.3:a:sun:jdk:1.4.2_03:*:solaris:*:*:*:*:*
sun jdk 1.4.2_03 cpe:2.3:a:sun:jdk:1.4.2_03:*:windows:*:*:*:*:*
sun jdk 1.4.2_04 cpe:2.3:a:sun:jdk:1.4.2_04:*:linux:*:*:*:*:*
sun jdk 1.4.2_04 cpe:2.3:a:sun:jdk:1.4.2_04:*:solaris:*:*:*:*:*
sun jdk 1.4.2_04 cpe:2.3:a:sun:jdk:1.4.2_04:*:windows:*:*:*:*:*
sun jdk 1.4.2_05 cpe:2.3:a:sun:jdk:1.4.2_05:*:linux:*:*:*:*:*
sun jdk 1.4.2_05 cpe:2.3:a:sun:jdk:1.4.2_05:*:solaris:*:*:*:*:*
sun jdk 1.4.2_05 cpe:2.3:a:sun:jdk:1.4.2_05:*:windows:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:*:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:*:solaris:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:*:windows:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update1:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update2:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update2:solaris:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update2:windows:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update3:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update4:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update4:windows:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update5:linux:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update5:solaris:*:*:*:*:*
sun jre 1.3.0 cpe:2.3:a:sun:jre:1.3.0:update5:windows:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:*:linux:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update1:linux:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update1:solaris:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update1:windows:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update1a:windows:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update4:solaris:*:*:*:*:*
sun jre 1.3.1 cpe:2.3:a:sun:jre:1.3.1:update4:windows:*:*:*:*:*

References for CVE-2004-1029

URL Tags
http://jouko.iki.fi/adv/javaplugin.html
http://lists.apple.com/archives/security-announce/2005/Feb/msg00000.html
http://rpmfind.net/linux/RPM/suse/updates/9.3/i386/rpm/i586/java-1_4_2-sun-src-1.4.2.08-0.1.i586.html
http://secunia.com/advisories/13271 Vendor Advisory
http://secunia.com/advisories/29035 Vendor Advisory
http://securityreason.com/securityalert/61
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101523-1 Patch Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57591-1 Patch Vendor Advisory
http://www-1.ibm.com/support/docview.wss?uid=swg21257249
http://www.idefense.com/application/poi/display?id=158&type=vulnerabilities
http://www.kb.cert.org/vuls/id/760344 US Government Resource
http://www.securityfocus.com/bid/12317 Patch
http://www.vupen.com/english/advisories/2008/0599 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18188
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5674
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