CVE-2020-14830 : What You Need to Know
Learn about CVE-2020-14830, a vulnerability in MySQL Server by Oracle Corporation allowing attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Find out how to mitigate and prevent this security risk.
A vulnerability in the MySQL Server product of Oracle MySQL allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-14830
This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 8.0.21 and prior.
What is CVE-2020-14830?
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 DOS attack by causing the server to hang or crash.
The Impact of CVE-2020-14830
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 compromise.
Technical Details of CVE-2020-14830
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability allows low privileged attackers with network access to compromise the MySQL Server, leading to potential DOS attacks.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.21 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-2020-14830 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 access to critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that the MySQL Server is updated to a version that addresses the vulnerability to mitigate the risk of exploitation.