CVE-2025-30722 in MySQL Cluster
Summary
by MITRE • 04/16/2025
Vulnerability in the MySQL Client product of Oracle MySQL (component: Client: mysqldump). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Client accessible data as well as unauthorized update, insert or delete access to some of MySQL Client accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 08/16/2025
The vulnerability identified as CVE-2025-30722 represents a significant security weakness within Oracle MySQL Client's mysqldump component, affecting multiple version ranges including 8.0.0-8.0.41, 8.4.0-8.4.4, and 9.0.0-9.2.0. This flaw operates at the client-side level and demonstrates characteristics that align with CWE-284 (Improper Access Control) and CWE-200 (Information Disclosure), making it particularly concerning for database security environments. The vulnerability's classification as difficult to exploit yet still presenting substantial risk indicates that while sophisticated attackers may need to overcome certain barriers, the potential impact remains severe enough to warrant immediate attention from security teams responsible for database infrastructure protection.
The technical nature of this vulnerability stems from inadequate access control mechanisms within the mysqldump utility, which is commonly used for database backup and migration operations. When an attacker with low privileges and network access attempts to interact with the MySQL Client through multiple protocols, they can potentially exploit this weakness to gain unauthorized access to sensitive database information. The CVSS 3.1 scoring system places this vulnerability at a medium-high severity level with a base score of 5.9, reflecting the combination of confidentiality and integrity impacts. The attack vector requires network access (AV:N) and is considered hard to exploit (AC:H) due to the need for specific conditions, yet the potential for unauthorized data access and modification makes it a serious concern for database administrators.
The operational impact of this vulnerability extends beyond simple data exposure, as successful exploitation could lead to complete compromise of MySQL Client accessible data. This encompasses not only read access to critical database information but also unauthorized modification capabilities that could result in data corruption, unauthorized updates, insertions, or deletions. The vulnerability's ability to affect multiple version streams simultaneously suggests a systemic issue within the mysqldump implementation that requires comprehensive patching across affected installations. Organizations using MySQL in production environments must consider the potential for data integrity breaches and unauthorized access to sensitive information that could occur through this vulnerability.
Mitigation strategies should focus on immediate patch application to all affected MySQL Client installations, with particular attention to version ranges specified in the vulnerability report. Network segmentation and access control measures should be implemented to limit exposure of MySQL services to unauthorized network access. The principle of least privilege should be strictly enforced, ensuring that MySQL client connections are restricted to necessary network segments and that authentication mechanisms are properly configured. Security monitoring should be enhanced to detect unusual patterns of access to mysqldump functionality and database backup operations. Organizations should also consider implementing database activity monitoring solutions that can detect and alert on unauthorized access attempts to critical database objects, aligning with ATT&CK framework techniques related to credential access and data extraction. Regular security assessments and penetration testing of database environments should be conducted to identify similar vulnerabilities and ensure comprehensive protection against exploitation attempts.