CVE-2020-14790 : What You Need to Know
Learn about CVE-2020-14790, a vulnerability in Oracle MySQL Server allowing attackers to compromise the server, potentially leading to a denial of service attack. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14790
This CVE involves a vulnerability in MySQL Server that could be exploited by an attacker with network access to compromise the server.
What is CVE-2020-14790?
The vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially resulting in a DOS attack. The affected versions are 5.7.31 and prior, as well as 8.0.21 and prior.
The Impact of CVE-2020-14790
Successful exploitation of this vulnerability could allow an attacker to cause a hang or crash of the MySQL Server, leading to a complete denial of service. The CVSS 3.1 Base Score is 4.9, indicating medium severity with high availability impact.
Technical Details of CVE-2020-14790
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially leading to a DOS attack.
Affected Systems and Versions
- Affected versions: 5.7.31 and prior, 8.0.21 and prior
- Product: MySQL Server
- Vendor: Oracle Corporation
Exploitation Mechanism
The vulnerability can be exploited by an attacker with network access via multiple protocols to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2020-14790 is crucial to prevent potential attacks.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security updates from Oracle for MySQL Server.
- Regularly check for new patches and apply them to ensure system security.