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CVE-2009-2476

29
FAUCET Score

CVE-2009-2476 describes a critical vulnerability in the Java Management Extensions (JMX) implementation of Sun Java SE 6 prior to Update 15 and OpenJDK. This flaw allows remote, unauthenticated attackers to bypass security restrictions by exploiting a weakness in OpenType checks and using finalizer resurrection to gain access to privileged objects. With a CVSS score of 10.0, this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6CPE matchmatch criteria
cpe:2.3:a:sun:java_se:*:14:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:sun:openjdk:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.88%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0288 is in the 74th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-sun-1:1.6.0.15-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.6.0-openjdk-1:1.6.0.0-1.2.b09.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-sun-1:1.6.0.15-1jpp.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-2476Low

OpenJDK OpenType checks can be bypassed (6736293)

Aug 5, 2009

References

java.sun.com / javase/6/webnotes/6u15.html
Vendor Advisory
lists.apple.com / archives/security-announce/2009/Sep/msg00000.html
lists.opensuse.org / opensuse-security-announce/2009-10/msg00001.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/36162
Vendor Advisory
secunia.com / advisories/36176
Vendor Advisory
secunia.com / advisories/36180
Vendor Advisory
secunia.com / advisories/37386
security.gentoo.org / glsa/glsa-200911-02.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10381
rhn.redhat.com / errata/RHSA-2009-1200.html
rhn.redhat.com / errata/RHSA-2009-1201.html
sunsolve.sun.com / search/document.do
PatchVendor Advisory
redhat.com / archives/fedora-package-announce/2009-August/msg00310.html
redhat.com / archives/fedora-package-announce/2009-August/msg00325.html
mandriva.com / security/advisories
vupen.com / english/advisories/2009/2543