CVE-2026-60420 in Unified Directory
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). 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 LDAP to compromise Oracle Unified Directory. While the vulnerability is in Oracle Unified Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Unified Directory accessible data as well as unauthorized update, insert or delete access to some of Oracle Unified Directory accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within Oracle Unified Directory, a component of Oracle Fusion Middleware that serves as a centralized directory service for identity management and authentication. The affected versions 12.2.1.4.0 and 14.1.2.1.0 contain a critical flaw in the OUD Core component that enables attackers with minimal privileges to compromise the entire directory service. The vulnerability operates through the Lightweight Directory Access Protocol which is the standard protocol used for accessing and maintaining distributed directory information services over an internet protocol network. The CVSS score of 8.5 indicates a high severity issue with significant impact on confidentiality and integrity, making it particularly dangerous in enterprise environments where directory services contain sensitive authentication and authorization data.
The technical nature of this vulnerability stems from insufficient access controls within the LDAP interface that allows authenticated users with low privileges to perform operations that should be restricted to administrative roles. The attack vector through LDAP means that an adversary can exploit this flaw remotely without requiring physical access to the server, making it particularly concerning for organizations with distributed network architectures. The vulnerability's classification as easily exploitable indicates that the attack requires minimal skill and resources, potentially allowing even less sophisticated threat actors to successfully compromise the system. The scope change aspect of this vulnerability means that while initially targeting Oracle Unified Directory, successful exploitation can impact additional Oracle products within the same ecosystem, creating cascading security risks across an organization's technology stack.
The operational impact of this vulnerability is substantial as it provides attackers with unauthorized access to critical directory data including user credentials, group memberships, and authentication tokens that are fundamental to enterprise security infrastructure. Successful exploitation could enable attackers to gain complete access to all accessible data within Oracle Unified Directory while also allowing them to modify or delete information, creating potential for both data exfiltration and system integrity compromise. The confidentiality impact is rated as high because directory services typically contain sensitive personal and organizational information that can be leveraged for further attacks including lateral movement within networks, privilege escalation, and identity theft. Organizations relying on Oracle Unified Directory for authentication services face significant risk if this vulnerability remains unpatched.
Mitigation strategies should prioritize immediate patch deployment from Oracle to address the identified flaw in both affected versions. Network segmentation and firewall rules should be implemented to restrict LDAP access to trusted administrative networks only, while monitoring systems should be enhanced to detect unusual LDAP activity patterns that may indicate exploitation attempts. Additional security measures include implementing stronger authentication mechanisms for directory services, regular auditing of access logs, and ensuring proper role-based access controls are enforced within the directory service configuration. Organizations should also consider implementing intrusion detection systems specifically tuned to identify LDAP protocol anomalies and potential exploitation signatures associated with this vulnerability class. The ATT&CK framework would categorize this as a privilege escalation technique through network service enumeration and credential access, while CWE classification would likely align with weak access control vulnerabilities that permit unauthorized data access or modification operations.