How severe is CVE-2009-2724?

CVE-2009-2724 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-2724 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2724?

CVE-2009-2724 affects Sun Java Se. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2724?

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-2009-2724 published?

CVE-2009-2724 was published on 2009-08-10 and last updated on 2026-06-16.

CVE-2009-2724

CVE-2009-2724 is a critical-severity vulnerability in Sun Java Se with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Sun Java Se
Published: 2009-08-10
Last modified: 2026-06-16

Description

Race condition in the java.lang package in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, related to a "3Y Race condition in reflection checks."

Frequently asked questions

What is CVE-2009-2724?: Race condition in the java.lang package in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, related to a "3Y Race condition in reflection checks."
How severe is CVE-2009-2724?: CVE-2009-2724 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-2724 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2724?: CVE-2009-2724 affects Sun Java Se. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2724?: 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-2009-2724 published?: CVE-2009-2724 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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