CVE-2021-2046 Explained : Impact and Mitigation
Discover the details of CVE-2021-2046, a vulnerability in Oracle MySQL Server impacting versions 8.0.22 and prior. Learn about the impact, technical details, and mitigation steps.
A vulnerability has been identified in the MySQL Server product of Oracle MySQL, impacting versions 8.0.22 and prior. This vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially leading to a denial of service (DOS) condition.
Understanding CVE-2021-2046
This section delves into the specifics of the CVE-2021-2046 vulnerability.
What is CVE-2021-2046?
The vulnerability in the MySQL Server product of Oracle MySQL allows a high privileged attacker with network access to compromise the server. Successful exploitation may lead to a DOS condition.
The Impact of CVE-2021-2046
A successful attack exploiting CVE-2021-2046 can enable an unauthorized individual to cause repeated crashes or hang the MySQL Server, potentially affecting the availability of the server.
Technical Details of CVE-2021-2046
Let's explore the technical aspects of this vulnerability in more detail.
Vulnerability Description
The vulnerability, with a CVSS 3.1 Base Score of 6.8, is easily exploitable by an attacker with high privileges and network access. It can result in a complete DOS of MySQL Server.
Affected Systems and Versions
The Oracle MySQL Server versions 8.0.22 and earlier are affected by this vulnerability.
Exploitation Mechanism
This vulnerability can be exploited by a high privileged attacker with network access through multiple protocols to compromise the MySQL Server.
Mitigation and Prevention
Here are some steps to mitigate the risks associated with CVE-2021-2046:
Immediate Steps to Take
- Apply relevant security patches provided by Oracle Corporation.
- Monitor the MySQL Server for any unusual activities or crashes.
Long-Term Security Practices
- Regularly update and patch the MySQL Server to address known vulnerabilities.
- Implement network security measures to restrict unauthorized access.
Patching and Updates
Stay informed about security updates from Oracle Corporation and apply patches promptly to secure your MySQL Server.