Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach WebLogic T3/IIOP listener
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DeliverySend crafted RMI/serialized payload
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ExploitExploit Messaging Enabler component
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ExecutionExecute attacker-controlled code
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ImpactFull Service Delivery Platform takeover
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK
1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The exploitable prerequisite is network reachability of the Service Delivery Platform's WebLogic T3 or IIOP protocol listener; the CVSS metrics AV:N/AC:L/PR:N/UI:N confirm no authentication, no user interaction, and low complexity against affected versions 12.2.1.4.0 and 14.1.2.0.0 running the Messaging Enabler component. What limits exploitation is exposure of those RMI ports - in deployments where T3/IIOP is firewalled to internal management segments, an external attacker cannot reach the vulnerable listener. There is no configuration toggle stated as required in the description; the default reachability of the T3/IIOP endpoint is the enabling condition, and only the affected version/component combination is at risk. |
| Impact | Signals are broadly aligned toward high priority: the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) describes a network-reachable, low-complexity, unauthenticated attack yielding total compromise, matching the 9.8 base score. Counterbalancing this, there is no EPSS score in the provided data, no POC or exploit code identified, and no CISA KEV listing, so exploitation is currently theoretical rather than observed. The primary limiting factor is exposure: T3/IIOP listeners should not be internet-facing in a well-segmented deployment, so real-world risk hinges on whether the WebLogic RMI ports are reachable by the attacker. No SSVC decision fields or automatable/technical-impact metadata were supplied. Net assessment: treat as a genuine critical-priority patch for any environment where the SDP T3/IIOP ports are reachable, but note that absence of EPSS/KEV means widespread active exploitation is not confirmed. |
| Exploit ScenarioDerived | An attacker who can reach the SDP server's WebLogic T3 or IIOP listener port sends a crafted RMI request to the Messaging Enabler component without any credentials. Because the vector is network, low-complexity, and unauthenticated, a single malicious serialized payload can yield full server takeover with confidentiality, integrity, and availability impact. No public POC is currently identified, but the T3/IIOP vector is well-trodden in existing WebLogic exploitation tooling. |
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Alert meAnalysisAIv1 – Jul 22, 2026
Complete takeover of Oracle Communications/Fusion Middleware Service Delivery Platform (versions 12.2.1.4.0 and 14.1.2.0.0, Messaging Enabler component) is possible by an unauthenticated remote attacker reaching the T3 or IIOP protocol. The flaw scores CVSS 3.1 9.8 with full confidentiality, integrity, and availability impact and requires no user interaction; no public exploit has been identified at time of analysis and it is not listed in CISA KEV, but the T3/IIOP attack surface historically maps to WebLogic-style deserialization abuse. It was self-reported by Oracle and disclosed in the July 2026 Critical Patch Update.
RemediationAI
Apply the fixes delivered in Oracle's July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html) - Patch available per vendor advisory; Oracle did not publish an isolated fixed build number in the provided data, so identify the exact patch for your 12.2.1.4.0 or 14.1.2.0.0 baseline directly from the CPU matrix. Until patching is complete, reduce exposure of the underlying WebLogic RMI surface: restrict or firewall the T3 and IIOP listener ports so they are reachable only from trusted management networks, and use WebLogic connection filters (weblogic.security.net.ConnectionFilterImpl) to allow-list source hosts for T3/T3S/IIOP - note this can break legitimate remote JMX/RMI clients and clustered node communication, so validate cluster and admin connectivity after applying. Where the Messaging Enabler's IIOP is not required, disable the IIOP protocol on the affected managed servers to shrink the attack surface, accepting loss of CORBA client interoperability.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Service Delivery Platform is an Oracle Fusion Middleware / Oracle Communications component that brokers messaging and network-service enablement; like most Fusion Middleware products it is layered on Oracle WebLogic Server, which exposes the proprietary T3 and CORBA IIOP remote protocols for RMI. The affected 'Messaging Enabler' subcomponent is reachable over these RMI channels. Oracle did not assign a CWE (listed N/A), but the T3/IIOP-over-RMI vector with full system takeover is the classic signature of Java object deserialization weaknesses (CWE-502 class) that have repeatedly affected WebLogic-based stacks, where a crafted serialized object delivered through the RMI listener is deserialized into attacker-controlled code execution. The CPE-equivalent affected identifiers per Oracle and ENISA EUVD are Service Delivery Platform 12.2.1.4.0 and 14.1.2.0.0.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable T3/IIOP RMI flaw with low complexity and no user interaction yielding full product takeover, so PR:N/UI:N and C/I/A all High.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Service Delivery Platform product of Oracle Fusion Middleware (component: Messaging Enabler). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Service Delivery Platform. Successful attacks of this vulnerability can result in takeover of Service Delivery Platform. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Executive ViewAI
Oracle Communications/Fusion Middleware Service Delivery Platform Messaging Enabler (versions 12.2.1.4.0 and 14.1.2.0.0) contains a critical remote code execution vulnerability enabling unauthenticated attackers to achieve complete system takeover via T3/IIOP protocols. Organizations running these versions face immediate risk of total compromise of messaging infrastructure, data breach, and service disruption.
No vendor-released patch identified at time of analysis. Interim mitigations: Restrict network access to T3/IIOP ports (typically 7001-7002 for T3, 7010 for IIOP) via firewall rules to trusted networks only; disable Messaging Enabler component if not operationally critical; implement enhanced logging and intrusion detection signatures for T3/IIOP protocol deserialization activity; conduct immediate access review of administrative credentials with Messaging Enabler privileges.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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EUVD-2026-46782
GHSA-g8m3-53j5-qp3p
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB