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Fencer Intel
critical 9.3

CVE-2012-4820 json

Unspecified vulnerability in the JRE component in IBM Java 7 SR2 and earlier, Java 6.0.1 SR3 and earlier, Java 6 SR11 and earlier, Java 5 S…

published 2013-01-11 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4745

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Unspecified vulnerability in the JRE component in IBM Java 7 SR2 and earlier, Java 6.0.1 SR3 and earlier, Java 6 SR11 and earlier, Java 5 SR14 and earlier, and Java 142 SR13 FP13 and earlier; as used in IBM Rational Host On-Demand, Rational Change, Tivoli Monitoring, Smart Analytics System 5600, Tivoli Remote Control 5.1.2, WebSphere Real Time, Lotus Notes & Domino, Tivoli Storage Productivity Center, and Service Deliver Manager; and other products from other vendors such as Red Hat, when running under a security manager, allows remote attackers to gain privileges by modifying or removing the security manager via vectors related to "insecure use of the java.lang.reflect.Method invoke() method."

Patch / fix

  • java-1.6.0-ibm network satellite 5.5, network satellite 5.4 1:1.6.0.14.0-1jpp.1.el5_9
  • java-1.6.0-ibm network satellite 5.5, network satellite 5.4 1:1.6.0.14.0-1jpp.1.el6_4
  • java-1.4.2-ibm RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8
  • java-1.4.2-ibm-src RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8
  • java-1.4.2-ibm-demo RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8
  • java-1.4.2-ibm-jdbc RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8
  • java-1.4.2-ibm-plugin RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8
  • java-1.4.2-ibm-javacomm RHEL 5 EXTRAS 1.4.2.13.14-1jpp.1.el5_8

red hat advisories RHSA-2013:1456RHSA-2013:1455RHSA-2012:1485RHSA-2012:1467RHSA-2012:1466RHSA-2012:1465

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-2012-4820 updated cvss 6.8

JDK: java.lang.reflect.Method invoke() code execution

  • Red Hat Enterprise Linux 5 java-1.7.0-ibm
    affected: no fix available
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el5_8, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el5_8, java-1.4.2-ibm 1.4.2.13.14-1jpp.1.el5_8, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el5_8, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el5_8, java-1.4.2-ibm-src 1.4.2.13.14-1jpp.1.el5_8, +14 more
    fixed: vendor fix RHSA-2012:1485
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.7.0-ibm 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el6_3, java-1.7.0-ibm-src 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el6_3, +11 more Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.7.0-ibm 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el6_3, java-1.7.0-ibm-src 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el6_3, +5 more
    fixed: vendor fix RHSA-2012:1465
  • Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el5_8, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el5_8, java-1.4.2-ibm 1.4.2.13.14-1jpp.1.el5_8, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el5_8, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el5_8, java-1.4.2-ibm-src 1.4.2.13.14-1jpp.1.el5_8, +14 more
    fixed: vendor fix RHSA-2012:1485
  • Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.7.0-ibm 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el6_3, java-1.7.0-ibm-src 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el6_3, +11 more Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.7.0-ibm 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm 1.6.0.12.0-1jpp.1.el6_3, java-1.7.0-ibm-src 1.7.0.3.0-1jpp.2.el6_3, java-1.5.0-ibm-src 1.5.0.15.0-1jpp.1.el6_3, java-1.6.0-ibm-src 1.6.0.12.0-1jpp.1.el6_3, +11 more
    fixed: vendor fix RHSA-2012:1465
  • Red Hat Satellite 5.4 (RHEL v.5) java-1.6.0-ibm 1.6.0.14.0-1jpp.1.el5_9 Red Hat Satellite 5.4 (RHEL v.6) java-1.6.0-ibm 1.6.0.14.0-1jpp.1.el6_4
    fixed: vendor fix RHSA-2013:1455
  • Red Hat Satellite 5.5 (RHEL v.5) java-1.6.0-ibm 1.6.0.14.0-1jpp.1.el5_9 Red Hat Satellite 5.5 (RHEL v.6) java-1.6.0-ibm 1.6.0.14.0-1jpp.1.el6_4
    fixed: vendor fix RHSA-2013:1456

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

5.09% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel 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.