CVE-2020-14771 Explained : Impact and Mitigation
Learn about CVE-2020-14771, a vulnerability in Oracle MySQL Server that allows high privileged attackers to compromise the server, potentially leading to a partial denial of service. Find out the affected versions and mitigation steps.
A vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially leading to a partial denial of service.
Understanding CVE-2020-14771
This CVE involves a security vulnerability in MySQL Server that could be exploited by an attacker with network access.
What is CVE-2020-14771?
The vulnerability in MySQL Server allows a high privileged attacker to compromise the server, potentially resulting in a partial denial of service. The affected versions are 5.7.31 and prior, as well as 8.0.21 and prior.
The Impact of CVE-2020-14771
Successful exploitation of this vulnerability could allow an unauthorized attacker to cause a partial denial of service on the MySQL Server. The CVSS 3.1 Base Score is 2.2, indicating low severity with availability impacts.
Technical Details of CVE-2020-14771
This section provides more technical insights into 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 partial denial of service.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 5.7.31 and prior, 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: Low
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 Corporation.
- Monitor network traffic for any suspicious activities.
- Restrict network access to the MySQL Server.
Long-Term Security Practices
- Regularly update MySQL Server to the latest version.
- Implement network segmentation to isolate critical servers.
- Conduct regular security audits and penetration testing.
Patching and Updates
Ensure that all security patches and updates released by Oracle Corporation for MySQL Server are promptly applied.