CVE-2015-4852
CRITICALCISA KEVEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability
Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
Apply updates per vendor instructions.
Remediation due: 2022-05-03
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
- 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
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.