CVE-2020-2660 : What You Need to Know
Learn about CVE-2020-2660, a vulnerability in MySQL Server by Oracle Corporation allowing high privileged attackers to compromise the server, potentially leading to a denial of service attack.
A vulnerability in the MySQL Server product of Oracle MySQL allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2660
This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 5.7.28 and prior, as well as 8.0.18 and prior.
What is CVE-2020-2660?
The vulnerability in the MySQL Server product of Oracle MySQL allows a high 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-2020-2660
Successful attacks exploiting this vulnerability can result in unauthorized access and the ability to disrupt the availability of the MySQL Server. The CVSS 3.0 Base Score is 4.9, indicating a medium severity vulnerability with high availability impact.
Technical Details of CVE-2020-2660
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an attacker with high privileges and network access to compromise the MySQL Server, potentially leading to a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Affected Versions: 5.7.28 and prior, 8.0.18 and prior
Exploitation Mechanism
The vulnerability can be exploited by a high privileged attacker with network access through multiple protocols to compromise the MySQL Server.
Mitigation and Prevention
Protecting systems from CVE-2020-2660 is crucial to maintaining security.
Immediate Steps to Take
- Apply security patches provided by Oracle Corporation promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to the MySQL Server to authorized users only.
Long-Term Security Practices
- Regularly update and patch MySQL Server to address known vulnerabilities.
- Implement network segmentation to limit the exposure of critical servers.
- Conduct regular security audits and penetration testing to identify and address potential weaknesses.
Patching and Updates
Ensure that the MySQL Server is updated with the latest security patches and versions to mitigate the risk of exploitation.