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CVE-2015-4852

CRITICAL
9.8
CVSS Score
Published: November 18, 2015 at 03:00 PM UTC
Updated: June 17, 2026 at 12:28 AM UTC
3 products affected across 1 vendorWebLogic ServerStoragetek Tape Analytics Sw ToolVirtual Desktop Infrastructure

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 95%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score95.0%

EPSS (Exploit Prediction Scoring System) estimates a 95.0% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022
1638 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2015-4852

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (16)

x_refsource_MISCExploit
Source: [email protected]
http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2015/11/17/19
x_refsource_CONFIRMPatch
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502

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