CVE-2004-2393

CVE-2004-2393 is a high-severity vulnerability in Sun Jsse with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2004-2393?
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.
How severe is CVE-2004-2393?
CVE-2004-2393 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-2393 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2393?
CVE-2004-2393 primarily affects Sun Jsse. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2393?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-2393 published?
CVE-2004-2393 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (3)

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