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CVE-2009-2721

28
FAUCET Score

CVE-2009-2721 describes multiple unspecified vulnerabilities within the Provider class of Sun Java SE 5.0 prior to Update 20. This vulnerability carries a critical CVSS score of 10.0, indicating a network-exploitable flaw with low attack complexity that could lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

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
2.44%
Probability of exploitation in next 30 days
EPSS Percentile
82.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0244 is in the 69th 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-2009-2721Low

JDK Multiple unspecified vulnerabilities in Provider class

Aug 11, 2009

References

java.sun.com / j2se/1.5.0/ReleaseNotes.html
PatchVendor Advisory
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/2009/3316