CVE-2021-35647 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-35647, a vulnerability in MySQL Server by Oracle Corporation. Learn about affected versions, exploitation risks, and mitigation steps.
A vulnerability has been identified in the MySQL Server product of Oracle MySQL, specifically in the Server: Optimizer component. Attackers with network access can exploit this vulnerability in versions 8.0.26 and earlier, potentially leading to a denial-of-service (DoS) condition.
Understanding CVE-2021-35647
This section delves into the details of the CVE-2021-35647 vulnerability.
What is CVE-2021-35647?
The vulnerability in the MySQL Server product of Oracle MySQL (Server: Optimizer component) affects versions 8.0.26 and prior. It allows a high privileged attacker with network access via multiple protocols to compromise the server, potentially causing a complete DoS. The CVSS 3.1 Base Score for this vulnerability is 4.9 with a high impact on availability.
The Impact of CVE-2021-35647
Successful exploitation of this vulnerability can result in an unauthorized ability to hang or crash the MySQL Server, leading to a complete DoS condition.
Technical Details of CVE-2021-35647
This section provides technical insights into CVE-2021-35647.
Vulnerability Description
The vulnerability is easily exploitable and allows high privileged attackers with network access to compromise MySQL Server, potentially causing a complete Denial of Service.
Affected Systems and Versions
The vulnerability affects Oracle MySQL Server versions 8.0.26 and prior.
Exploitation Mechanism
Attackers can exploit this vulnerability via multiple network protocols, allowing them to compromise the MySQL server and cause a complete DoS.
Mitigation and Prevention
Protecting systems from CVE-2021-35647 is crucial to maintaining security and stability.
Immediate Steps to Take
It is recommended to apply relevant security patches promptly to mitigate the risk of exploitation.
Long-Term Security Practices
Implement strict network access controls and conduct regular security assessments to prevent unauthorized access.
Patching and Updates
Stay informed about security updates from Oracle Corporation and apply patches as soon as they are released to address known vulnerabilities.