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CVE-2009-2723

27
FAUCET Score

CVE-2009-2723 describes an unspecified deserialization vulnerability within the Provider class of Sun Java SE 5.0 prior to Update 20. This critical flaw carries a CVSS score of 10.0, indicating a severe risk with network-based attack vectors, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0CPE matchmatch criteria
cpe:2.3:a:sun:java_se:*:19:*:*:*:*:*:*

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
2.73%
Probability of exploitation in next 30 days
EPSS Percentile
84.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0273 is in the 73rd percentile among its peer group of 51,485 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 (2)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-sun-0:1.5.0.20-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-sun-0:1.5.0.20-1jpp.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-2723Low

JDK unspecified deserialization in Provider class

Aug 11, 2009

References

java.sun.com / j2se/1.5.0/ReleaseNotes.html
PatchVendor Advisory
lists.apple.com / archives/security-announce/2009/Sep/msg00000.html
secunia.com / advisories/37386
secunia.com / advisories/37460
security.gentoo.org / glsa/glsa-200911-02.xml
sunsolve.sun.com / search/document.do
PatchVendor Advisory
securityfocus.com / archive/1/507985/100/0/threaded
vmware.com / security/advisories/VMSA-2009-0016.html
vupen.com / english/advisories/2009/2543
vupen.com / english/advisories/2009/3316