CVE-2004-2627

CVE-2004-2627 is a critical-severity vulnerability with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Java 2 Micro Edition (J2ME) does not properly validate bytecode, which allows remote attackers to escape the Kilobyte Virtual Machine (KVM) sandbox and execute arbitrary code.

Frequently asked questions

What is CVE-2004-2627?
Java 2 Micro Edition (J2ME) does not properly validate bytecode, which allows remote attackers to escape the Kilobyte Virtual Machine (KVM) sandbox and execute arbitrary code.
How severe is CVE-2004-2627?
CVE-2004-2627 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-2627 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2004-2627?
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-2004-2627 published?
CVE-2004-2627 was published on 2004-12-31 and last updated on 2026-06-16.

References