How severe is CVE-2009-2723?

CVE-2009-2723 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-2723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2723?

CVE-2009-2723 affects Sun Java Se. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2723?

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-2009-2723 published?

CVE-2009-2723 was published on 2009-08-10 and last updated on 2026-06-16.

CVE-2009-2723

CVE-2009-2723 is a critical-severity vulnerability in Sun Java Se 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

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Java Se
Published: 2009-08-10
Last modified: 2026-06-16

Description

Unspecified vulnerability in deserialization in the Provider class in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, aka BugId 6444262.

Frequently asked questions

What is CVE-2009-2723?: Unspecified vulnerability in deserialization in the Provider class in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, aka BugId 6444262.
How severe is CVE-2009-2723?: CVE-2009-2723 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-2723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2723?: CVE-2009-2723 affects Sun Java Se. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2723?: 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-2009-2723 published?: CVE-2009-2723 was published on 2009-08-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sun:java_se:*:19:*:*:*:*:*:*

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