CVE-2020-14800 : What You Need to Know
Learn about CVE-2020-14800, a vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Security: Encryption) allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14800
This CVE identifies a security flaw in MySQL Server that could be exploited by attackers with network access to compromise the server.
What is CVE-2020-14800?
The vulnerability in Oracle MySQL Server allows low-privileged attackers to exploit the server via multiple protocols, potentially causing a DOS attack.
The Impact of CVE-2020-14800
Successful exploitation of this vulnerability can result in unauthorized access, leading to server hang or frequent crashes, impacting the availability of MySQL Server.
Technical Details of CVE-2020-14800
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows attackers with network access to compromise the server, potentially causing a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Availability Impact: High
- CVSS 3.1 Base Score: 6.5 (Medium Severity)
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate action and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address security vulnerabilities.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that MySQL Server is updated to a version that addresses the vulnerability to prevent exploitation.