Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessGain physical/adjacent network segment access
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DeliveryIdentify MCAD Connector CAX Client traffic
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ExploitSatisfy high-complexity exploit preconditions
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ExecutionBypass authentication mechanism
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ImpactExfiltrate accessible PLM confidential data
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Attacker must have physical presence on or logical access to the specific network communication segment (cable segment, VLAN, or subnet) to which the host running Oracle Agile PLM MCAD Connector 3.6 is attached - this is the AV:A (Adjacent) requirement. High attack complexity (AC:H) means specific, difficult-to-reproduce conditions must be met, such as particular protocol state, timing windows, or session circumstances not fully detailed in the advisory. No authentication or privileges are required (PR:N) once adjacency and complexity conditions are satisfied. No user interaction is needed. Exploitation is limited to confidentiality impact - no write or denial-of-service capability is implied. Limiting factors: requires physical network proximity (eliminates remote internet attackers), high complexity (eliminates most automated tooling), and scope is confined to data accessible by the connector (not arbitrary system takeover). |
| Impact | Real-world risk is moderate-to-low despite the High confidentiality impact (C:H). The CVSS vector AV:A/AC:H constrains exploitation to attackers with physical presence on the same network segment as the MCAD Connector host, plus the ability to satisfy high-complexity prerequisites - significantly reducing the attacker pool to insiders or physically proximate adversaries. EPSS data is not provided, but given the adjacent-only vector, automated or internet-scale exploitation is not feasible. No KEV listing means CISA has not confirmed active exploitation. No public POC has been identified at time of analysis. The confidentiality-only scope (I:N, A:N) limits blast radius to data exfiltration. Risk is highest in engineering environments where sensitive IP (CAD models, BOMs, product specs) flows through the connector - a meaningful target for industrial espionage but not broad opportunistic attacks. |
| Exploit ScenarioDerived | An attacker with physical access to the LAN segment hosting the Oracle Agile PLM MCAD Connector - such as a malicious insider, a contractor with floor access, or an attacker who has already compromised a network device on that segment - intercepts or injects traffic to the CAX Client, exploiting the authentication bypass to access all PLM data the connector can reach, including sensitive CAD models, engineering BOMs, and product specifications. No public exploit code exists, and the high complexity (AC:H) means the attacker must satisfy specific protocol or timing conditions to succeed. |
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Alert meAnalysisAIv1 – Aug 19, 2026
Confidentiality compromise in Oracle Agile PLM MCAD Connector 3.6 (CAX Client component) allows an unauthenticated attacker with physical access to the local network segment to gain unauthorized access to all data accessible by the connector. The attack is adjacent-network and high-complexity, limiting realistic exposure to insider threats or attackers with pre-existing physical network presence. No public exploit code exists and no active exploitation has been confirmed; CVSS 5.3 reflects the constrained attack vector. The 'Authentication Bypass' tag suggests the vulnerability circumvents a credential or session-validation mechanism within the CAX Client, enabling direct data exposure without credential theft.
RemediationAI
Apply the patch or upgrade issued as part of Oracle's Critical Patch Update for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html. The exact patched version number is not independently confirmed from the available data - consult Oracle Support for the specific fix build. As a compensating control pending patching, restrict physical and network access to the segment where the MCAD Connector host operates using network segmentation or VLAN isolation, limiting adjacency to trusted hosts only. Disabling unused MCAD Connector instances or restricting CAX Client communication to known, authenticated endpoints via host-based firewall rules can further reduce exposure. Note that segment isolation may affect legitimate CAD tool integration workflows and should be coordinated with engineering teams. No workaround eliminates the underlying authentication bypass - patch application is the definitive fix.
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
Oracle Agile PLM (Product Lifecycle Management) MCAD Connector is an integration bridge between Oracle Agile PLM and MCAD/CAD tools (such as CATIA, NX, or Pro/E), enabling engineering document and bill-of-materials synchronization. The CAX Client is the local endpoint component that handles communication between the CAD tool and the PLM server. The affected version is 3.6, as confirmed by EUVD-2026-62022 and the Oracle CPU advisory. The CWE is not specified, but the 'Authentication Bypass' tag indicates a flaw in the CAX Client's authentication or session-validation logic - likely during data exchange over the adjacent network segment (AV:A), which may involve a proprietary or standard protocol susceptible to interception or impersonation. The high attack complexity (AC:H) suggests exploitation requires precise timing, specific protocol state, or difficult-to-reproduce conditions on the physical segment.
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Severity by source
AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Adjacent vector and high complexity reflect physical-segment requirement; PR:N confirmed by unauthenticated bypass; confidentiality-only impact matches description with no integrity or availability loss.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Agile PLM MCAD Connector product of Oracle Supply Chain (component: CAX Client). The supported version that is affected is 3.6. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Agile PLM MCAD Connector executes to compromise Oracle Agile PLM MCAD Connector. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Agile PLM MCAD Connector accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
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-2026-62022
GHSA-4gc5-v3fx-mpqc
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB