Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
HTTP-reachable connector (AV:N, AC:L); requires any low-privileged OIM account (PR:L); no user interaction; impact crosses to downstream identity systems (S:C) with full takeover (C:H/I:H/A:H).
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
Vulnerability in the Identity Manager Connector product of Oracle Fusion Middleware (component: Mainframe Connectors). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Identity Manager Connector. While the vulnerability is in Identity Manager Connector, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Identity Manager Connector. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
AnalysisAI
Account takeover in Oracle Identity Manager Connector (Fusion Middleware, Mainframe Connectors component) versions 12.2.1.4.0 and 14.1.2.1.0 allows an authenticated low-privileged attacker to fully compromise the connector over HTTP and pivot to other products via a CVSS scope change. The flaw carries a 9.9 CVSS 3.1 score with high confidentiality, integrity, and availability impact; no public exploit identified at time of analysis, and CISA KEV does not list it.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires (a) network HTTP reachability to the Oracle Identity Manager Connector instance running the Mainframe Connectors component on version 12.2.1.4.0 or 14.1.2.1.0, and (b) valid credentials for any low-privileged account that the connector accepts (PR:L), with no user interaction needed (UI:N) and low attack complexity (AC:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals converge on high real-world risk: AV:N/AC:L/PR:L/UI:N means a single low-privileged HTTP session is enough, S:C reflects impact on downstream identity-connected systems (mainframes, target apps), and C:H/I:H/A:H means complete takeover. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained any low-privileged OIM account (e.g., via phishing of a helpdesk user) sends crafted HTTP requests to the Mainframe Connector endpoint and abuses the flaw to take over the connector process. Because of the scope change, the attacker then leverages the connector's standing privileges to create or elevate accounts on the downstream mainframe identity source, achieving persistent privileged access to systems the connector trusts. |
| Remediation | Apply Patch available per vendor advisory - install the June 2026 Oracle Critical Patch Update fixes for Identity Manager Connector 12.2.1.4.0 and 14.1.2.1.0 as listed at https://www.oracle.com/security-alerts/cspujun2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all instances of Oracle Identity Manager Connector versions 12.2.1.4.0 and 14.1.2.1.0; map which systems expose HTTP connections to untrusted networks and which support low-privileged user access. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-37421