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Fencer Vulns
high 7.5

CVE-2004-2393 json

Java Secure Socket Extension (JSSE) 1.0.3 through 1.0.3_2 does not properly validate the certificate chain of a client or server, which all…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2384

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Java Secure Socket Extension (JSSE) 1.0.3 through 1.0.3_2 does not properly validate the certificate chain of a client or server, which allows remote attackers to falsely authenticate peers for SSL/TLS.

Patch / fix

Exploit prediction

2.06% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.