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CVE-2007-3922

19
FAUCET Score

CVE-2007-3922 describes an unspecified vulnerability in the Java Runtime Environment (JRE) Applet Class Loader, affecting Sun JDK, JRE, and SDK versions. This flaw allows remote attackers to bypass an applet's security model, enabling unauthorized outbound connections to localhost services on the machine running the applet. With a CVSS score of 6.8, this vulnerability has a network attack vector, medium attack complexity, and potential for partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:*:update9:*:*:*:*:*:*
<= 1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jdk:*:update1:*:*:*:*:*:*
<= 1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:*:update11:*:*:*:*:*:*
<= 1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:*:update1:*:*:*:*:*:*
<= 1.4.2_14CPE matchmatch criteria
cpe:2.3:a:sun:sdk:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.86%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0286 is in the 78th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-sun-0:1.5.0.12-1jpp.2.el4
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.5.0-ibm-1:1.5.0.5-1jpp.2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: IBMJava2-JRE-1:1.3.1-17
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: IBMJava2-SDK-1:1.3.1-17
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.5.0-ibm-1:1.5.0.5-1jpp.0.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-3922Moderate

Vulnerability in the Java Runtime Environment May Allow an Untrusted Applet to Circumvent Network Access Restrictions

Jul 18, 2007

References

dev2dev.bea.com / pub/advisory/248
docs.info.apple.com / article.html
h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
lists.apple.com / archives/Security-announce/2007/Dec/msg00001.html
secunia.com / advisories/26314
secunia.com / advisories/26369
secunia.com / advisories/26631
secunia.com / advisories/26645
secunia.com / advisories/26933
secunia.com / advisories/27266
secunia.com / advisories/27635
secunia.com / advisories/28115
secunia.com / advisories/30805
exchange.xforce.ibmcloud.com / vulnerabilities/35491
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10387
sunsolve.sun.com / search/document.do
support.avaya.com / elmodocs2/security/ASA-2007-322.htm
gentoo.org / security/en/glsa/glsa-200709-15.xml
novell.com / linux/security/advisories/2007_56_ibmjava.html
redhat.com / support/errata/RHSA-2007-0818.html
redhat.com / support/errata/RHSA-2007-0829.html
redhat.com / support/errata/RHSA-2008-0133.html
securityfocus.com / bid/25054
securitytracker.com / id
vupen.com / english/advisories/2007/2573
vupen.com / english/advisories/2007/3009
vupen.com / english/advisories/2007/3861
vupen.com / english/advisories/2007/4224