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Vulnerabilities

Vulnerability · CVE-2012-5076

Oracle Java SE Sandbox Bypass Vulnerability

Published Oct 16, 2012 · catalog updated Jun 16, 2026 · Oracle Java SE

Patch now

CVE-2012-5076 is in the CISA known-exploited catalog, due Apr 18, 2022. Confirm Oracle Java SE against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
91.25%
Remediation
Remediation guidance
Affected products
cpe oracle/jre · cpe suse/linux enterprise desktop · vendor Oracle Java SE · vendor n/a n/a

The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe oracle/jre1.7.0
  • cpe suse/linux enterprise desktop11
  • vendor Oracle Java SEversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2012-5076

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2012-5076 is in the CISA known-exploited catalog, due Apr 18, 2022. Confirm Oracle Java SE against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with suse/linux enterprise desktop 11. Apply updates per vendor instructions.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 91.25%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2012 · Catalog

    Detected

    The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

  2. Mar 28, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 18, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

Sources

  • CISA KEVConfirmed exploitationCVE-2012-5076

    The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2012-5076

    Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allows remote attackers to affect confidentiality, integrity, and availability, related to JAX-WS.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2012-5076

    30-day exploitation probability 91.3%

    first.org
  • Exploit DatabasePublic exploit reference22657

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference24309

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/browser/java_jre17_glassfish_averagerangestatisticimpl

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/browser/java_jre17_jaxws

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2012-5076

    Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allows remote attackers to affect confidentiality, integrity, and availability, related to JAX-WS.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2012-5076

    The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.