CVE-2026-83401
Analyzed Analyzed - Analysis Complete

Oracle Identity Manager Unauthenticated Data Access Vulnerability

Vulnerability report for CVE-2026-83401, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Oracle

Description

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Identity Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Identity Manager accessible data as well as unauthorized read access to a subset of Oracle Identity Manager accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-11-03
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
oracle identity_manager 12.2.1.4.0
oracle identity_manager 14.1.2.1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

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Executive Summary

This vulnerability affects Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially compromise it. The attack requires user interaction but can lead to unauthorized data access or modifications.

Detection Guidance

This vulnerability affects Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0. Detection involves checking for exposed Oracle Identity Manager interfaces via HTTP. Verify if the OIM Legacy UI component is accessible on your network. Check server logs for unusual HTTP requests targeting Oracle Identity Manager ports. Ensure all Oracle Identity Manager instances are updated to the latest patches.

Impact Analysis

An attacker could exploit this to read or modify some data in Oracle Identity Manager without authorization. This may lead to data breaches, unauthorized changes, or further attacks on connected systems.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR, HIPAA, or other regulations. Compliance risks include data breaches, loss of confidentiality, and potential legal penalties.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0. Disable the OIM Legacy UI component if not in use. Restrict network access to Oracle Identity Manager via HTTP to trusted sources only.

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