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CVE-2009-2476

10.0 · HIGH

The Java Management Extensions (JMX) implementation in Sun Java SE 6 before Update 15, and OpenJDK, does not properly enforce OpenType checks, which allows context-dependent attackers to bypass int…

Published Aug 10, 2009sunCWE-264EPSS 2.88%

Overview

CVE-2009-2476 is a high-severity vulnerability affecting sun java_se. It was published on August 10, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Java Management Extensions (JMX) implementation in Sun Java SE 6 before Update 15, and OpenJDK, does not properly enforce OpenType checks, which allows context-dependent attackers to bypass intended access restrictions by leveraging finalizer resurrection to obtain a reference to a privileged object.

Remediation

Check the references section for vendor advisories and patches from sun. Update java_se to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
sunjava_se0Affected

References

Refjava.sun.com/javase/6/webnotes/6u15.htmlReflists.apple.com/archives/security-announce/2009/Sep/msg00000.htmlReflists.opensuse.org/opensuse-security-announce/2009-10/msg00001.htmlRefsecunia.com/advisories/36162Refsecunia.com/advisories/36176Refsecunia.com/advisories/36180Refsecunia.com/advisories/37386Refsecurity.gentoo.org/glsa/glsa-200911-02.xmlRefsunsolve.sun.com/search/document.do?assetkey=1-21-125139-16-1Refwww.mandriva.com/security/advisories?name=MDVSA-2009:209

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2476?

CVE-2009-2476 is a high-severity vulnerability affecting sun java_se. It was published on August 10, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-2476?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-2476?

Check the references section for vendor advisories and patches from sun. Update java_se to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-2476?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2476 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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