CVE-2020-2627 : Vulnerability Insights and Analysis
Learn about CVE-2020-2627, a vulnerability in Oracle MySQL Server that allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack. Find out the impacted versions and mitigation steps.
A vulnerability in Oracle MySQL Server (component: Server: Parser) allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2627
This CVE involves a vulnerability in MySQL Server that can be exploited by attackers with network access, potentially causing a DOS attack.
What is CVE-2020-2627?
The vulnerability in MySQL Server allows low privileged attackers to compromise the server, leading to a DOS attack. The affected versions are 8.0.18 and prior.
The Impact of CVE-2020-2627
Successful exploitation of this vulnerability can result in unauthorized access to cause a hang or crash of MySQL Server, impacting its availability. The CVSS 3.0 Base Score is 6.5, indicating a medium severity with high availability impact.
Technical Details of CVE-2020-2627
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows attackers with network access to compromise the server, potentially causing a DOS attack.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions affected: 8.0.18 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Availability Impact: High
- CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/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 activities.
- 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 systems running MySQL Server are updated with the latest security patches to mitigate the risk of exploitation.