CVE-2020-2790 : What You Need to Know

A vulnerability in Oracle MySQL Server (component: Server: Pluggable Auth) allows attackers to compromise the server, potentially leading to a denial of service (DOS) attack.

Understanding CVE-2020-2790

This CVE identifies a security flaw in MySQL Server that can be exploited by attackers with network access.

What is CVE-2020-2790?

The vulnerability in Oracle MySQL Server allows low-privileged attackers to compromise the server, potentially causing a DOS attack. The affected versions are 5.7.28 and prior.

The Impact of CVE-2020-2790

Successful exploitation of this vulnerability can result in unauthorized access, leading to a hang or crash of the MySQL Server, impacting its availability.

Technical Details of CVE-2020-2790

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: 5.7.28 and prior

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Availability Impact: High
CVSS 3.0 Base Score: 6.5 (Medium Severity)
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 CVE-2020-2790 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 activity.
Restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch MySQL Server to address security vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security alerts and updates from Oracle.
Follow best practices for securing MySQL Server installations.