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CVE-2009-1896

28
FAUCET Score

CVE-2009-1896 describes a critical vulnerability in the Java Web Start framework within OpenJDK, specifically affecting Fedora 10 and 11 distributions. This flaw allows attackers to execute arbitrary code with full application privileges by crafting a malicious application that leverages the framework's improper trust handling of JAR files. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication or complex attack vectors, and leading to complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.6.0.0CPE 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
3.03%
Probability of exploitation in next 30 days
EPSS Percentile
86.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0303 is in the 75th 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

Vendor Advisories (1)

redhatCVE-2009-1896Important

openjdk/netx grants privileges for signed jars to bundled unsigned jars

Aug 6, 2009

References

bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/36162
Vendor Advisory
redhat.com / archives/fedora-package-announce/2009-August/msg00310.html
Vendor Advisory
redhat.com / archives/fedora-package-announce/2009-August/msg00325.html
mandriva.com / security/advisories