CVE-2004-1029

CVE-2004-1029 is a critical-severity vulnerability in Hp Java Sdk-rte with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 17% (97th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Hp Java Sdk-rte
• Published: 2005-03-01
• Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2004-1029?

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.

How severe is CVE-2004-1029?

CVE-2004-1029 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2004-1029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1029?

CVE-2004-1029 primarily affects Hp Java Sdk-rte. In total, 157 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2004-1029 published?

CVE-2004-1029 was published on 2005-03-01 and last updated on 2026-06-16.

References

• 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
• http://secunia.com/advisories/29035
• http://securityreason.com/securityalert/61
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-101523-1
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-57591-1
• 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
• http://www.securityfocus.com/bid/12317
• http://www.vupen.com/english/advisories/2008/0599
• https://exchange.xforce.ibmcloud.com/vulnerabilities/18188
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5674

Affected products (157)

• cpe:2.3:a:hp:java_sdk-rte:1.3:*:hp-ux_pa-risc:*:*:*:*:*
• cpe:2.3:a:hp:java_sdk-rte:1.4:*:hp-ux_pa-risc:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_01:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_01:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_01a:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_02:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_02:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_02:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_03:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_03:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_03:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_04:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_05:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_05:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_05:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_06:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_06:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_06:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_07:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_07:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.3.1_07:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_01:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_02:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_02:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_02:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_03:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_03:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_03:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_4:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_4:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.0_4:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1:*:windows:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1_01:*:linux:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1_01:*:solaris:*:*:*:*:*
• cpe:2.3:a:sun:jdk:1.4.1_01:*:windows:*:*:*:*:*

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