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Fencer Vulns
medium 6.8

CVE-2007-3922 json

Unspecified vulnerability in the Java Runtime Environment (JRE) Applet Class Loader in Sun JDK and JRE 5.0 Update 11 and earlier, 6 through…

published 2007-07-21 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3906

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Unspecified vulnerability in the Java Runtime Environment (JRE) Applet Class Loader in Sun JDK and JRE 5.0 Update 11 and earlier, 6 through 6 Update 1, and SDK and JRE 1.4.2_14 and earlier, allows remote attackers to violate the security model for an applet's outbound connections by connecting to certain localhost services running on the machine that loaded the applet.

Patch / fix

  • IBMJava2-JRE RHEL 2.1 1:1.3.1-17
  • IBMJava2-SDK RHEL 2.1 1:1.3.1-17
  • java-1.5.0-ibm RHEL 4 EXTRAS 1:1.5.0.5-1jpp.2.el4
  • java-1.5.0-ibm RHEL 5 EXTRAS 1:1.5.0.5-1jpp.0.1.el5
  • java-1.5.0-ibm-src RHEL 4 EXTRAS 1:1.5.0.5-1jpp.2.el4
  • java-1.5.0-ibm-src RHEL 5 EXTRAS 1:1.5.0.5-1jpp.0.1.el5
  • java-1.5.0-ibm-demo RHEL 4 EXTRAS 1:1.5.0.5-1jpp.2.el4
  • java-1.5.0-ibm-demo RHEL 5 EXTRAS 1:1.5.0.5-1jpp.0.1.el5

red hat advisories RHSA-2008:0133RHSA-2007:0829RHSA-2007:0818

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3922 updated

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

  • Red Hat Desktop version 4 Extras java-1.5.0-ibm 1.5.0.5-1jpp.2.el4, java-1.5.0-sun 1.5.0.12-1jpp.2.el4, java-1.5.0-ibm-src 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-demo 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.2.el4, java-1.5.0-sun-src 1.5.0.12-1jpp.2.el4, +5 more
    fixed: vendor fix RHSA-2007:0829
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 IBMJava2-JRE 1.3.1-17, IBMJava2-SDK 1.3.1-17
    fixed: vendor fix RHSA-2008:0133
  • Red Hat Enterprise Linux AS version 4 Extras java-1.5.0-ibm 1.5.0.5-1jpp.2.el4, java-1.5.0-sun 1.5.0.12-1jpp.2.el4, java-1.5.0-ibm-src 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-demo 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.2.el4, java-1.5.0-sun-src 1.5.0.12-1jpp.2.el4, +5 more Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.5.0-ibm 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-src 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-demo 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-plugin 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-javacomm 1.5.0.5-1jpp.0.1.el5
    fixed: vendor fix RHSA-2007:0829
  • Red Hat Enterprise Linux ES version 2.1 IBMJava2-JRE 1.3.1-17, IBMJava2-SDK 1.3.1-17
    fixed: vendor fix RHSA-2008:0133
  • Red Hat Enterprise Linux ES version 4 Extras java-1.5.0-ibm 1.5.0.5-1jpp.2.el4, java-1.5.0-sun 1.5.0.12-1jpp.2.el4, java-1.5.0-ibm-src 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-demo 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.2.el4, java-1.5.0-sun-src 1.5.0.12-1jpp.2.el4, +5 more Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.5.0-ibm 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-src 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-demo 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-plugin 1.5.0.5-1jpp.0.1.el5, java-1.5.0-ibm-javacomm 1.5.0.5-1jpp.0.1.el5
    fixed: vendor fix RHSA-2007:0829
  • Red Hat Enterprise Linux WS version 2.1 IBMJava2-JRE 1.3.1-17, IBMJava2-SDK 1.3.1-17
    fixed: vendor fix RHSA-2008:0133
  • Red Hat Enterprise Linux WS version 4 Extras java-1.5.0-ibm 1.5.0.5-1jpp.2.el4, java-1.5.0-sun 1.5.0.12-1jpp.2.el4, java-1.5.0-ibm-src 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-demo 1.5.0.5-1jpp.2.el4, java-1.5.0-ibm-jdbc 1.5.0.5-1jpp.2.el4, java-1.5.0-sun-src 1.5.0.12-1jpp.2.el4, +5 more
    fixed: vendor fix RHSA-2007:0829

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.