CVE-2015-4852
Advisory lineage Upstream: 0 Downstream: 4
Analyzed
Published: 18 Nov 2015, 15:00
Last modified:21 Oct 2025, 23:55
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
92.95% CRITICAL
93% probability +0.48%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
6 found
Dark Web
Not detected
Timeline
18 Nov 2015, 15:00
Published
Vulnerability first disclosed
03 Nov 2021, 00:00
Added to CISA KEV
Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability
03 May 2022, 00:00
CISA Remediation Due
Apply updates per vendor instructions.
21 Oct 2025, 23:55
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 92.95%• Percentile: 100%
Techniques & Countermeasures
- CWE-502•Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Affected Systems
- oracle•storagetek_tape_analytics_sw_tool
2.3
- oracle•virtual_desktop_infrastructure
≤ 3.5.2
- Unknown•WebLogic Server
10.3.6.0.0 | 12.1.2.0.0 | 12.1.3.0.0 | 12.2.1.0.0
References (16)
- 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-have-in-common-this-vulnerability/
- http://packetstormsecurity.com/files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/46628/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4852