HOMEVULNERABILITIESCVE-2009-2724
CRITICAL

CVE-2009-2724

CWE-362Published: August 10, 2009· Updated: Jun 16, 2026

9.3
CVSS v3.1

Official 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."

NVD Source

Technical Analysis

CVE-2009-2724 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors & Products

sun1 product(s)
java se
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (16)

Quick Facts

CVE IDCVE-2009-2724
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-362
CISA KEVNo
Affected1 vendor(s)
PublishedAug 10, 2009

Related CVEs (CWE-362)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-2724 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.