CVE-2020-14620 : What You Need to Know
Learn about CVE-2020-14620, a vulnerability in Oracle MySQL Server allowing high privileged attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Take immediate steps to secure your system.
A vulnerability in Oracle MySQL Server (component: Server: DML) allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14620
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-2020-14620?
The vulnerability in MySQL Server allows a high privileged attacker to compromise the server, potentially resulting in a DOS attack. The affected versions are 8.0.20 and prior.
The Impact of CVE-2020-14620
- Successful exploitation can lead to unauthorized actions causing the server to hang or crash, resulting in a complete DOS scenario.
- CVSS 3.1 Base Score: 4.9 (Availability impacts)
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Technical Details of CVE-2020-14620
This section provides technical details about 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
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.20 and prior
Exploitation Mechanism
The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2020-14620 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 to authorized users only.
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 patches and apply them to ensure system security.