CVE-2020-2637 in Enterprise Manager for Database
Summary
by MITRE
Vulnerability in the Enterprise Manager for Oracle Database product of Oracle Enterprise Manager (component: Change Manager - web based). Supported versions that are affected are 12.1.0.5, 13.2.0.0 and 13.3.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Enterprise Manager for Oracle Database. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Enterprise Manager for Oracle Database accessible data as well as unauthorized update, insert or delete access to some of Enterprise Manager for Oracle Database accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Enterprise Manager for Oracle Database. CVSS 3.0 Base Score 6.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L).
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 03/22/2024
The vulnerability identified as CVE-2020-2637 resides within Oracle Enterprise Manager's Change Manager component, specifically in the web-based interface of the Enterprise Manager for Oracle Database product. This flaw affects multiple version streams including 12.1.0.5, 13.2.0.0, and 13.3.0.0, representing a significant attack surface across Oracle's database management ecosystem. The vulnerability operates within the context of a privileged attacker scenario where network-level access via HTTP protocols can be leveraged to exploit the weakness, making it particularly concerning for organizations with exposed database management interfaces.
The technical implementation of this vulnerability stems from insufficient access controls and authentication mechanisms within the Change Manager web interface. The flaw allows an attacker with high privileges to bypass normal security boundaries and gain unauthorized access to sensitive database management data. According to the CVSS 3.0 scoring system, this vulnerability carries a base score of 6.0, indicating a medium severity threat that affects confidentiality, integrity, and availability aspects of the targeted system. The attack vector requires network access with low complexity but demands high privilege levels, suggesting that the vulnerability may be exploited by insiders or attackers who have already gained some level of system access.
The operational impact of successful exploitation encompasses multiple critical security concerns that can severely compromise database management operations. Attackers can achieve unauthorized access to all Enterprise Manager accessible data, potentially exposing sensitive configuration information, user credentials, and database management policies. Additionally, the vulnerability enables unauthorized modification capabilities including update, insert, and delete operations against selected database management data, creating opportunities for data corruption and manipulation. The partial denial of service component of this vulnerability can disrupt database management operations and affect availability of critical management functions, potentially impacting business continuity and database administration activities.
Organizations affected by CVE-2020-2637 should implement immediate mitigation strategies focusing on network segmentation and access control enforcement. The vulnerability aligns with CWE-285 (Improper Authorization) and reflects patterns commonly associated with privilege escalation attacks in enterprise management systems. Security teams should consider implementing network-level controls to restrict access to the Change Manager interface, enforcing multi-factor authentication, and applying Oracle's official security patches as soon as they become available. The ATT&CK framework categorizes this vulnerability under privilege escalation and credential access tactics, emphasizing the need for comprehensive monitoring of administrative access patterns and unusual data modification activities within the database management environment. Organizations should also conduct thorough vulnerability assessments to identify other potential entry points and ensure that all Oracle Enterprise Manager components are properly maintained and updated according to Oracle's security advisory guidelines.