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Fencer Vulns
critical 10.0

CVE-2004-2627 json

Java 2 Micro Edition (J2ME) does not properly validate bytecode, which allows remote attackers to escape the Kilobyte Virtual Machine (KVM)…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2618

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Exploit prediction

6.27% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.