CVE-2025-30706 in MySQL Connectors
Summary
by MITRE • 04/16/2025
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 9.0.0-9.2.0. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in takeover of MySQL Connectors. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 12/22/2025
The vulnerability identified as CVE-2025-30706 represents a significant security flaw within Oracle MySQL Connectors, specifically affecting Connector/J components across versions 9.0.0 through 9.2.0. This vulnerability resides within the MySQL Connectors product line and demonstrates the ongoing challenges in securing database connectivity tools that serve as critical bridges between applications and database systems. The affected component operates as a Java database connector that enables java applications to communicate with mysql database servers, making it a prime target for attackers seeking to compromise database infrastructure. The vulnerability's classification as difficult to exploit suggests that while the attack vector requires some specialized knowledge or conditions, the potential impact remains severe enough to warrant immediate attention from security teams.
The technical nature of this vulnerability stems from insufficient input validation and potentially improper access control mechanisms within the Connector/J implementation. Attackers with low privileges and network access can leverage multiple protocols to compromise the affected connectors, indicating that the flaw may involve authentication bypass, injection vulnerabilities, or improper session handling within the connector's network communication layer. The CVSS score of 7.5 reflects the high impact across all three core security principles: confidentiality, integrity, and availability, suggesting that successful exploitation could result in complete system compromise. The attack vector AV:N indicates network-based exploitation is possible, while AC:H demonstrates that the attack requires some level of sophistication or specific conditions to execute successfully. The PR:L classification reveals that attackers need only low privileges to initiate the attack, making this vulnerability particularly dangerous as it can be exploited by users with minimal access rights.
The operational impact of this vulnerability extends far beyond simple data compromise, as successful exploitation could result in complete takeover of the MySQL Connectors, potentially enabling attackers to access underlying database systems, manipulate data, or disrupt database operations. The implications are particularly severe given that MySQL Connectors are fundamental components in countless enterprise applications, web services, and backend systems where database connectivity is essential for business operations. Organizations relying on affected versions may face significant risks including data breaches, service disruption, and potential regulatory compliance violations. The vulnerability's presence in versions 9.0.0 through 9.2.0 suggests a prolonged window of exposure, as these versions likely represent recent releases that organizations may have deployed in production environments. The combination of multiple protocol support and low privilege requirements creates a particularly dangerous attack surface where attackers can potentially leverage various network entry points to gain unauthorized access.
Security mitigations for CVE-2025-30706 should prioritize immediate patching of affected Connector/J versions to the latest stable releases that contain the necessary security fixes. Organizations should implement network segmentation and access controls to limit exposure of database connectors to untrusted networks, while also monitoring for suspicious network activity that might indicate exploitation attempts. The vulnerability aligns with CWE-20 standards related to input validation and CWE-284 related to improper access control, suggesting that defensive measures should include comprehensive network monitoring, intrusion detection system deployment, and regular security assessments of database connectivity components. Additional protective measures include implementing strong authentication mechanisms, disabling unnecessary protocols, and conducting thorough vulnerability assessments of all database connector implementations within the organization's infrastructure. Organizations should also consider implementing database activity monitoring solutions to detect anomalous behavior that might indicate exploitation of this vulnerability, while maintaining detailed logs of database connection attempts and access patterns for forensic analysis purposes. The ATT&CK framework would classify this vulnerability under initial access and execution phases, with potential lateral movement capabilities once the connectors are compromised, making comprehensive network security monitoring essential for early detection and response.