What’s Vulnerable › Vulnerabilities

CVE-2015-4852: Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 95.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-11-18 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• Oracle Storagetek Tape Analytics Sw Tool: 2.3
• Oracle Virtual Desktop Infrastructure: through 3.5.2
• Oracle WebLogic Server: 10.3.6.0.0, 12.1.2.0.0, 12.1.3.0.0, 12.2.1.0.0

References

• http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/
• http://packetstormsecurity.com/files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
• http://www.openwall.com/lists/oss-security/2015/11/17/19
• http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
• http://www.securityfocus.com/bid/77539
• http://www.securitytracker.com/id/1038292
• https://blogs.oracle.com/security/entry/security_alert_cve_2015_4852

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