CVE-2020-14702 : Vulnerability Insights and Analysis
Learn about CVE-2020-14702, a vulnerability in Oracle MySQL Server (versions 8.0.20 and prior) that allows high privileged attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Find out how to mitigate this security risk.
A vulnerability in Oracle MySQL Server (versions 8.0.20 and prior) allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14702
This CVE involves a security vulnerability in Oracle MySQL Server that can be exploited by an attacker with network access to compromise the server.
What is CVE-2020-14702?
The vulnerability in MySQL Server allows a high privileged attacker to exploit the server, potentially causing a DOS attack. The affected versions are 8.0.20 and prior.
The Impact of CVE-2020-14702
Successful exploitation of this vulnerability can result in unauthorized access, leading to a hang or crash of the MySQL Server, impacting its availability.
Technical Details of CVE-2020-14702
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in Oracle MySQL Server allows a high privileged attacker with network access to compromise the server, potentially causing a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.20 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- Availability Impact: High
- CVSS 3.1 Base Score: 4.9 (Medium Severity)
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions 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 the MySQL Server.
Long-Term Security Practices
- Regularly update and patch MySQL Server to the latest version.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that all security patches and updates released by Oracle for MySQL Server are applied promptly to mitigate the risk of exploitation.