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Findings

CVE-2015-4852

Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability

Published Nov 18, 2015 · updated Jun 16, 2026 · oracle virtual desktop infrastructure

The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2015 · Catalog

    Detected

    The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe oracle/storagetek tape analytics sw tool2.3
  • cpe oracle/virtual desktop infrastructureversion unspecified
  • cpe oracle/weblogic server10.3.6.0.0
  • cpe oracle/weblogic server12.1.2.0.0
  • cpe oracle/weblogic server12.1.3.0.0
  • cpe oracle/weblogic server12.2.1.0.0
  • vendor Oracle WebLogic Serverversion unspecified

Sources

  • CISA KEVCVE-2015-4852

    Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.

    cisa.gov
  • CVE.orgCVE-2015-4852

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2015-4852

    30-day exploitation probability 96.0%

    first.org
  • Exploit Database42806

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

    exploit-db.com
  • Exploit Database44552

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

    exploit-db.com
  • Exploit Database46628

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

    exploit-db.com
  • Metasploit Modulesexploit_multi/misc/weblogic_deserialize_rawobject

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

    rapid7.com
  • NIST NVDCVE-2015-4852

    The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache

    nvd.nist.gov

References

CVE-2015-4852 · ZeroDay Findings