This vulnerability allows low privileged attackers with network access via multiple protocols to compromise MySQL Server. The affected versions are 9.1.0 and prior. Given the CVSS 3.1 Base Score of 4.3, this vulnerability is classified as medium severity, indicating a moderate level of risk to organizations. Successful exploitation can result in unauthorized read access to a subset of MySQL Server accessible data.
Organizations should prioritize patching immediately. The vulnerability affects the MySQL Server product of Oracle MySQL, specifically the component related to Server Security Privileges. This exposure not only poses a risk to data confidentiality but can also impact organizational integrity.
As of now, there are no confirmed public exploits available for this vulnerability, and it is not currently listed in the Known Exploited Vulnerabilities (KEV) catalog. However, the potential for exploitation remains a concern, especially in environments where sensitive data is stored.
In light of its potential impact, organizations using affected versions of MySQL Server should take immediate steps to secure their systems against this vulnerability.
Vulnerability Details
The vulnerability is classified under CWE-863, which pertains to improper authorization. The official description details that supported versions of the MySQL Server product affected are 9.1.0 and prior. The CVSS score of 4.3 indicates that while there is a confidentiality impact, the overall risk level is moderate.
The CVSS vector string for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. This indicates that the attack vector is network-based, the complexity is low, and the attacker requires low privileges with no user interaction necessary.
Technical Analysis
The root cause of this vulnerability stems from insufficient access controls within the MySQL Server component. An attacker who gains network access can leverage this vulnerability to read sensitive data without appropriate authorization.
The attack vector is classified as network-based, meaning an attacker does not need physical access to the server to exploit the vulnerability. The attack complexity is low, as there are minimal barriers for an attacker to successfully exploit this issue. The requirements for exploiting this vulnerability are low privileges for the attacker, and no user interaction is necessary.
The potential impacts include confidentiality breach since attackers may gain unauthorized read access to certain data. However, integrity and availability impacts are assessed as none.
Risk & Impact Analysis
Risk to organizations includes the potential for unauthorized access to sensitive data within the MySQL Server. The low complexity of this vulnerability may allow for easier exploitation, increasing the overall risk if not addressed promptly.
Given the CVSS score of 4.3, organizations should treat this vulnerability with moderate urgency. It is crucial to assess the environment for any instances of the affected MySQL Server versions and implement necessary patches as soon as they become available.
The blast radius of this vulnerability can potentially extend to any organization utilizing the affected versions of MySQL Server, making it critical to prioritize remediation efforts.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The specific affected versions of MySQL Server are 9.1.0 and prior. Organizations running these versions should take immediate action to secure their systems.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest patches provided by Oracle as soon as they are available. Additionally, they should consider implementing network controls to limit access to MySQL Server instances. Configuration hardening to restrict unauthorized privileges could further minimize risk.
For continuous monitoring and vulnerability assessment, organizations may also consider utilizing continuous security testing services to identify and remediate weaknesses in their security posture.
Detection Guidance
Organizations should monitor logs for any unauthorized access attempts and anomalies in data access patterns. Behavioral anomalies in MySQL Server could indicate potential exploitation of this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability highlights the continual need for robust security measures in database management systems. Security teams should focus on implementing thorough access controls and regular patching to mitigate risks associated with vulnerabilities like CVE-2025-21567.
This vulnerability reflects a broader trend of attackers seeking to exploit misconfigurations and inadequate security measures in widely used software. Organizations should adapt their security policies and training programs to address these evolving threats.
For further insights on vulnerability management and security best practices, organizations can explore resources like our vulnerability management program and the importance of penetration testing methodology in securing databases.
By focusing on proactive security measures, organizations can better protect themselves against vulnerabilities that could lead to significant data breaches.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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