CVE-2020-14680 : What You Need to Know
Learn about CVE-2020-14680, a vulnerability in MySQL Server by Oracle Corporation affecting versions 8.0.20 and earlier. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in the MySQL Server product of Oracle MySQL has been identified, affecting versions 8.0.20 and prior. This vulnerability could allow a low-privileged attacker to compromise the MySQL Server.
Understanding CVE-2020-14680
This CVE pertains to a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 8.0.20 and earlier.
What is CVE-2020-14680?
The vulnerability in the MySQL Server product of Oracle MySQL allows a low-privileged attacker with network access to compromise the server. Successful exploitation can lead to a complete denial of service (DOS) by causing the server to hang or crash.
The Impact of CVE-2020-14680
The vulnerability has a CVSS 3.1 Base Score of 6.5, with a high impact on availability. Attackers can exploit this vulnerability via multiple protocols, potentially resulting in unauthorized server disruption.
Technical Details of CVE-2020-14680
This section provides technical details about the CVE.
Vulnerability Description
The vulnerability allows low-privileged attackers with network access to compromise the MySQL Server, leading to a DOS condition by causing the server to hang or crash.
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: Low
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-14680 is crucial to maintaining security.
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 installations.
- Implement network segmentation to limit access to critical servers.
- Conduct regular security audits and vulnerability assessments.
Patching and Updates
- Stay informed about security updates from Oracle for MySQL Server.
- Ensure timely application of patches to address known vulnerabilities.