Oracle · WebLogic Server
CVE-2015-4852
Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability
What it is
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.
CISA: Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 3, 2022
- Added to the CISA list
- November 3, 2021
- Published
- November 18, 2015
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 95% in the top 0.1% of all known vulnerabilities
- Weakness
- CWE-502
- More details
- NVD · CVE.org · CISA
All references (15)
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/weblogic.py
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://blogs.oracle.com/security/entry/security_alert_cve_2015_4852
- http://www.securitytracker.com/id/1038292
- http://www.securityfocus.com/bid/77539
- http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html
- http://www.openwall.com/lists/oss-security/2015/11/17/19
- https://www.exploit-db.com/exploits/42806/
- http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-…
- http://packetstormsecurity.com/files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/46628/
More exploited flaws from Oracle
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Jun 1, 2026 | Unspecified | WebLogic Server | High 7.5 | 74% |
| Jan 7, 2025 | Unspecified | WebLogic Server | Critical 9.8 | 95% |
| Sep 18, 2024 | Remote Code Execution | WebLogic Server | Critical 9.8 | 95% |
| Jun 3, 2024 | OS Command Injection | WebLogic Server | High 7.4 | 96% |
| May 1, 2023 | Unspecified | WebLogic Server | High 7.5 | 99.9% |
| Sep 8, 2022 | Unspecified | WebLogic Server | Critical 9.8 | >99.9% |
| Feb 10, 2022 | Corporation WebLogic Server Remote Code Execution | WebLogic Server | High 7.5 | >99.9% |
| Jan 10, 2022 | WebLogic Server, Injection | WebLogic Server | High 7.5 | >99.9% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.