CVE-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.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.

Score: CVSS 3.1 9.8 Critical
Status: Analyzed - secalert_us@oracle.com
Published: 2015-11-18
Last modified: 2025-10-21
Known exploited (CISA KEV): since 2021-11-03, action due 2022-05-03: Apply updates per vendor instructions.
Weaknesses: CWE-502

Affected products

References

http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-co…
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
https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/weblogic.py
https://www.exploit-db.com/exploits/42806/
https://www.exploit-db.com/exploits/46628/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4852